water heater trip switch

Water Heater Reset Button Keeps Tripping? Do This

A water heater reset button, also know as an emergency cut off (ECO) switch or high limit safety thermostat switch is a safety device that cuts off power to your water heater when the water temperature exceeds 180 degrees Fahrenheit.

Common Causes for the Water Heater Reset Button Tripping

Overheating: The water inside the tank may become excessively hot, causing the high-limit switch to trip as a safety measure.
Faulty Thermostat: A malfunctioning thermostat can inaccurately control the water temperature, leading to overheating and tripping the reset button.
Sediment Buildup: Sediment accumulation at the bottom of the tank can insulate the heating element or burner, causing localized overheating and tripping the switch.
Faulty Heating Element: A defective heating element can overheat, leading to the high-limit switch tripping.
Electrical Issues: Wiring problems, short circuits, or electrical faults in the water heater’s components can cause the reset button to trip.

What to Do When the Water Heater Reset Button Trips

Safety Precautions: Before addressing the issue, turn off the power supply to the water heater at the circuit breaker or disconnect the gas supply for safety.
Allow Cooling: Let the water heater cool down for a few hours to reset itself. This can sometimes resolve the issue if it was triggered by temporary overheating.
Check Thermostat Settings: Ensure the thermostat is set to a safe and recommended temperature, usually around 120°F (49°C). Avoid setting it too high.
Drain and Flush Tank: If sediment buildup is suspected, drain and flush the water heater to remove accumulated sediments. This can improve the heater’s efficiency and reduce overheating.
Inspect and Test Heating Elements: Examine the heating elements for signs of damage or malfunction. If a heating element is faulty, replace it with a compatible replacement.
Check Wiring and Electrical Components: Inspect the wiring, electrical connections, and components for any loose connections, damaged wires, or electrical issues. Address any problems found during the inspection.
Reset the Button: Press the reset button firmly to re-engage it. Listen for a clicking sound, which indicates that the reset button has reset.
Restore Power or Gas Supply: After resetting, turn the power supply back on at the circuit breaker or reconnect the gas supply for a gas water heater.
Monitor the Water Heater: Keep an eye on the water heater to ensure it’s functioning correctly. Check for consistent hot water supply.

Why Your Water Heater Keeps Tripping the Reset Button

Let us now look at why your water heater reset button keeps tripping in more details.

As mentioned above, a water heater reset button keeps tripping for 4 main reasons. These are:

1. A Bad Thermostat

A thermostat is a device installed on your water heater that monitors the temperature of the water inside it. When the temperature reaches the one you have set, it turns off the heating element.

An electric water heater has 2 thermostats and therefore 2 heating elements as well. The upper and lower thermostats are always in communication. If there is a problem with any of the thermostat it will affect the other one too

The reset button is usually installed on the upper thermostat. Power from the electrical outlet flows through the upper thermostat before flowing to the lower thermostat.

A malfunctioning thermostat will fail to turn off the power at the set temperature, causing the water temperature to raise to 180 degrees Fahrenheit. As designed, the rest button will trip, preventing the water temperature from rising any further.

Note: To prevent the water heater from bursting, it is usually fitted with a temperature and pressure (T&P) relief safety valve.

The signs of a bad water heater thermostat are when the reset button keeps tripping, followed by very hot water which cools off with time. When you have no hot water at all, it means the upper thermostat is bad while hot water followed by cold water signifies a bad lower thermostat.

2. Short Heating Element

As we have seen above, the thermostat is responsible for turning the heating element on and off. But what happens when there is a short in one of the heating elements?

The heating element will continue heating the water even after the thermostat has turned it off. The temperature of the water will continue increasing until the 180 0 F level, when the reset button will trip.

Although the reset button is usually installed on the upper thermostat, it does not matter which heating element is short-circuited. This is because both the thermostats as we have mentioned are always in communication.

If therefore your water heater reset button keeps tripping, do not assume that either the upper thermostat or hitting element is bad. A bad lower heating element or thermostat will trip the water heater reset button as well.

3. Bad Reset Button

The water heater reset button itself can fail and start tripping even before the water temperature inside the water heater has reached its set temperature. If your water heater reset button keeps tripping while the water is not even hot enough, you could be dealing with a faulty reset button.

Failure in water heater reset button is usually caused by wear and tear as a result of overheating. A faulty rest button will fail to precisely monitor the water temperature inside the water heater and as a result it will trip even before the 180 0 F water temperature setting is reached.

Since the reset button is part of the upper thermostat, you will also need to replace the upper thermostat if you establish that you are dealing with a bad reset button.

4. Loose Wiring

If your thermostat and heating element are working perfectly, the reason the reset button is constantly tripping could be a loose wire somewhere. But how does a loose electrical wire cause a water heater reset button to trip?

A loose electrical wire provides a lot of resistance, which generates heat. The reset button picks up the heat and trips, regardless of the water temperature inside the water heater.

For people whose houses use aluminum wiring while the water heater uses copper wiring, this could potentially cause the reset button to keep tripping.

For such a situation, a lug connector is usually installed where the 2 connections meet. Without a proper lug connector, the connection between the 2 different wirings can cause the water heater circuit breaker to trip.

This is a repair that you should have handled by a professional plumber or electrician.

Of the 4 causes above, I have observed that bad thermostats and short heating elements are the ones most responsible for water heater reset buttons that keep tripping.

Troubleshooting the Problem

So, how do you know whether your constantly tripping water heater reset button is caused by a bad thermostat or short heating element? You simply test for continuity in the heating element. To do that you will need to have a multimeter.

Here is how you do it:

Start by turning off power to the water heater at the circuit breaker.
Remove the thermostat cover panel. The panel is held in place using 2 screws. Use a Philips screwdriver to remove the screws. Since electric water heaters have 2 thermostats and heating elements, start off with the upper access panel.
With the cover panel out, remove the insulation and put it aside. If there is a bracket and plastic cover over the thermostat remove them as well.
Disconnect the heating element wires. The heating element wires are the 2 wires secured by the 2 screws under the thermostat.

Check for continuity in the heating element. Set your multimeter to the continuity setting, preferably to the setting with a microphone sign. The multimeter will be beep incase of continuity. Position each of the 2 multimeter prongs on the 2 screws. If there is a beep, the heating element is good. On the other hand, if there is no beep, the heating element is bad and will need to be replaced.
Move to the lower thermostat and heating element and repeat the same test.

A good heating element test often means that the problem is with the thermostat or reset button itself. In any case, both of them will need to be replaced.

How to Replace a Water Heater Thermostat

After removing the cover plate, disconnect the thermostat wires.
If you suspect you might forget where each wire was connected to, consider tagging them. Alternatively take a picture with your phone before disconnecting them
Carefully remove the thermostat out of the retaining bracket, being careful not to break the retaining bracket. A broken retaining bracket means you will need to replace the entire water heater.
Install the new thermostat and connect the wires back as they were.
Adjust the temperature of the new thermostat to 120 0 F.
Put the insulation back and connect the cover panel as well.
Turn on the power to the water heater.

Please note that the upper and lower water heater thermostats are not identical and cannot therefore be interchanged.

How To Replace a Water Heater Heating Element

Turn off power to the water heater at the circuit breaker.
Shut off the water heater cold water supply valve.
Drain the water heater. Connect a garden hose to the drain valve and turn it on with a flathead screwdriver. Let the water drain out completely.
Use a socket wrench (usually 1 ½ inch) to loosen the heating element connection on the water heater. When the connection is loose, unscrew it with your hand and pull out the heating element.
Use a toothbrush to clean the connection threads.
Slide in a washer in the new element (very important) and push the element inside the water heater. Screw it in until hand tight. Use the wrench to tighten it further.
Confirm that the drain valve is fully closed.
Turn on the cold water supply valve.
To avoid air from being trapped inside the tank, open the nearest hot water faucet. As water fills the water heater, air will be flushed through the faucet. Turn off the faucet once air has been completely flushed out.
Check that you have no leak around the heating element connection.
Connect the wires back on the 2 screws and put back the insulation as well.
Put the cover plate back on.
Turn on the power.

If you are not very comfortable carrying out these type of repairs on your own, do not hesitate contacting a professional plumber to fix the water heater for you.

Water Heater Keeps Tripping Reset – How Can I Fix It? 6 min read

February 7, 2024

What are you supposed to do when your water heater keeps tripping reset? I know from both personal and professional experience that a malfunctioning water heater is really frustrating to have to deal with.

Your water heater’s reset button issues are likely due to electrical problems such as overheating, power surges, or wiring issues, or mechanical problems like thermostat failure, heating element failure, or sediment buildup. Some issues can be resolved at home, but others may require professional attention.

I’ll take you through all the causes of a tripping water heater, the easiest fix, and then how to prevent it tripping in the future.

I take information accuracy seriously therefore everything you’re about to read has been expert reviewed by Mark Longhurst , a professional plumber with over 15 years experience.

Why Your Water Heater Reset Button is Tripping

If the reset button is tripping, we can work out what’s causing it…

Electrical Issues

There are a few electrical issues that can cause havoc with your water heater, including:

Overheating: If your unit is overheating, the reset button may trip. Your water heater may overheat and keep turning off if the thermostat is set too high or if the heating element is faulty and isn’t turning off.
Power Surge: Power surges from lightning storms, power outages, or problems with the electrical system can cause the reset button to activate.
Wiring Issues: Faulty, damaged, or frayed wiring can cause short circuits that can trip the reset button on your water heater.

If your water heater circuit breaker always trips, it’s better to ask a certified, licensed electrician to conduct a line/circuit test for your water heater. This will eliminate the possibility that it’s an electrical problem. If the wiring is all good, you will need to check out the warranty of your uint and see if you can get a repair or replacement. Mark Longhurst

Mechanical Issues

Sometimes, the problem has more to do with the mechanics of the unit:

Thermostat Failure: A broken thermostat can cause your unit to overheat and activate the reset button. A malfunctioning thermostat can also cause the water heater to stop heating altogether.
Heating Element Failure: The heating element heats the water inside the tank. If the heating element is faulty or damaged, it can cause the water heater to trip the reset button.
Sediment Build-Up: Over time, sediment can accumulate in the water heater tank, which can make the heating element overheat and activate the reset button. Sediment build-up can also reduce the efficiency of the water heater and cause it to work harder than it needs to. (It may also cause the water to look yellow , which is kind of gross.)

Other Causes of Water Heater Tripping Reset

There are a couple of other factors that can cause problems, too:

High Water Pressure: If the water pressure in your home is too high, it can cause the water heater to overheat and trip the reset button. High water pressure can also cause other issues with your plumbing system, so it’s essential to address this problem as soon as possible.
Leaking Tank: Leaks in your water heater can also cause the heating element to overheat and activate the reset button. A leaking tank can also cause other issues, such as water damage and mold growth.
Age of Water Heater: As water heaters age, they become more prone to problems. If your water heater is old, it may be time to replace it with a new, more energy-efficient model.

How to Stop Your Water Heater from Tripping Reset

I know this sounds too simple, but often, just turning it off and on again (properly) can help to, well, reset the reset button.

Here’s how you can do it:

Step 1: Disconnect the Power Supply

Number one rule: never troubleshoot a water heater that’s turned on. Unplug the unit from the outlet or disable it at the circuit breaker, but however you do it, make sure it’s completely turned off.

Also, please don’t attempt this unless you feel safe and confident doing so.

Step 2: Remove the Cover Plates

Near the bottom of your unit, you should see a metal plate held in place with screws. Use a screwdriver to remove each screw and lift the plate off of the unit. Many models will include a second cover plate that needs to be removed to access the reset button, so it may take a few minutes.

Note: The location of the cover plate will vary depending on your unit. Consult your owner’s manual for all the info you need.

Step 3: Remove the Insulation Pad

There should be a foam installation pad inside the cover plate. The pad hides the reset button and can be pulled out by hand. Set the insulation pad aside for later because you’ll need to put it back again.

Step 4: Locate the Reset Button

In the panel you just removed, you should see a reset button. Some models label the switch, while others use the color red to indicate it. If you can’t locate the button, consult your model’s owner manual – it should explain which one is the reset button.

Step 5: Press the Button

Press firmly on the reset button to activate it. The switch may be sticky if you haven’t used it for some time, so bear with it.

Wait until you hear a click to signify the unit has been reset. If you don’t hear a clicking sound, inspect the heater’s wiring for any issues. Otherwise, consult your owner’s manual for more instructions.

It’s always better to contact the nearest service center for the brand of your particular water heater if you’re under warranty. They’ll be able to offer a recommendation and repair or replace your unit if needed. After all, that’s what a warranty is for – the costs should be covered by the manufacturer or service center, so you may as well make the most of it. Mark Longhurst

Step 6: Reassemble the Heater

You can now reassemble the heater. Place the insulation pad back in place and screw the metal plate back in. Be sure to tighten the screws until they’re snug, but be careful not to over-tighten them, as you may find it hard to unscrew them later.

Step 6: Turn the Power Back on

Finally, plug in your water heater or flip the circuit breaker to restore the power. The unit should be working within a couple of hours. If any issues continue, it’s best to contact a licensed plumber for diagnosis and repair: they’ll be able to figure it out and fix it.

Maintenance Tips to Prevent Water Heater from Tripping Reset

I know it’s a boring thing to say, but prevention is better than cure. You can maintain the health of your water heater, which may prevent (expensive) problems from popping up in the future. Here’s what I’d recommend:

Regular Inspections: Schedule routine inspections for your water heater every 6–12 months. A professional plumber can check the components and flush the tank for any sediment build-up. They will identify any issues and handle them before they become severe, which is what you want!
Follow the Manufacturer’s Manual: Always follow the recommended maintenance schedule in the owner’s manual. This may include flushing the tank, cleaning protocols, and other preventative care routines.
Keep the Area Clean: Keep the area around your water heater clean of any leaks and debris. Or clutter. Remove any flammable materials or chemicals. This will ensure your unit is in a safe environment without anything blocking it, keeping it working correctly.
Inspect the T&P Valve: Test the temperature and pressure release valve annually to ensure it’s working correctly. Mineral build-up and corrosion can cause issues and malfunctions. Inspect the label or owner’s manual for detailed instructions.

These are simple steps, but they should help to keep your water heater running smoothly, and you’ll be less likely to need to call a professional to come fix it.

Understanding Your Water Heater

So there are different types of water heaters, and you may not know which one yours is. This is especially true if you’ve recently moved to a new home.

Water heaters are super important because they are responsible for some of the most useful appliances in your home: dishwashers, washing machines , showers , sinks, basically everything that makes you or your home clean.

If you’re not sure which type of water heater you have, I’ll give you a rundown of each one:

Conventional Storage Water Heaters

These units have a heating element and a storage tank for hot water. The tank is insulated, meaning it retains heat really well, and it can hold between 30 and 80 gallons of water depending on how big the tank is.

These are usually powered by electricity or natural gas, but some models use liquid propane or oil. It works by cold water entering the tank and then heating it to the right temperature. The thermostat clicks off when the temperature is reached.

Tankless Water Heaters

So, these are smaller water heaters as they don’t have a storage tank. It works in an interesting way (at least, I find it interesting): the units rapidly heat cold water using a series of super-heated coils, and you’ll normally find them in apartments or smaller homes, as they take up way less space.

Tankless units are powered by electricity. They don’t waste energy by heating and reheating water, only clicking into life when required, which makes them a good budget-friendly option.

Heat Pump Water Heaters

These work a little differently. They use electricity to transfer heat from the surrounding air to raise the water temperature. As you can imagine, these make them a superb choice from an energy efficiency perspective.

How does this work? Well, to be technical about it, the heat pump extracts heat from the air, which heats the refrigerant in the heat pump. The hot refrigerant then passes through a heat exchanger, which heats the water. Which is very cool, in my opinion.

Solar Water Heaters

Solar water heaters are a good option if you want to lower your energy costs. They have a large insulated tank that stores water until it’s needed, similar to conventional storage water heaters. They use the energy of the sun to heat the water using a circulating pump.

Solar water heaters can be mounted on the roof, with solar panels installed in various places. They have a backup system of gas or electricity, just in case the sun isn’t strong enough to power it.

These come with large installation costs, but many of my customers have said that their energy costs are lower overall. And the stats seem to back this up: your water heater bills may drop by 50-80%, according to energy.gov . So, if you’ve got a solar water heater already, you’re saving money every day!

Condensing Water Heater

Last one! Condensing water heaters utilize unused waste gas fumes created by your home’s natural gas system. This is funneled into a coil to bring the water to the desired temperatures within the tank.

They use waste gas, so it makes sense to have one of these in a home with a natural gas system.

This is another energy-efficient option, as it literally uses gas that would go to waste otherwise. But they do cost a lot upfront, and they’re not as easily available.

Water Heater Keeps Tripping Reset – Key Takeaways

Your water heater can be tripping the reset button for a few reasons:

Electrical issues – these include overheating, power surges, and wiring issues
Mechanical issues – including thermostat issues, heating element failures, and sediment build-up
Other factors – like high water pressure, leaks, or simply the old age of your water heater

A quick reset may help to make things better, but if you’re still having issues, it’s always better to call a licensed plumber or contact the manufacturer for advice.

Hi, I'm Ed, and I run BuildFanatic! I enjoy providing the best possible information on a range of home improvement topics.

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Mark Longhurst

Mark Longhurst is a professional plumber with over 15 years of experience, owns Pipesmart , and is our resident expert in all things plumbing.

Mark helps review plumbing-related articles for BuildFanatic to ensure we're providing our readers with the most accurate and updated advice.

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Amazon associates disclaimer, as an amazon associate i earn from qualifying purchases. information disclaimer this blog is for educational purposes only to give the reader a general understanding of the specific subject above. the blog should not be used as a substitute for a licensed professional in your state or region. check with state and city laws before performing any household project..

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Water Heater Keeps Tripping Breaker? (Possible Causes & Fixes)

Very few people volunteer to take cold showers. So when the water goes cold AND your power goes, that’s a double whammy. You reset your circuit breaker, but it goes out again, and you’re not sure what to do about it.

Having to battle between hot water and working electricity can be frustrating. There could be a power supply issue between your electric water heater and your circuit breaker. Pinpointing the exact cause will both prevent an electrical fire and preserve the hot water supply.

You should never begin repairing a water heater before turning off its power supply. However, it’s essential to check the appliance’s power flow before disassembling any parts. A multimeter is a wise investment and a crucial tool in troubleshooting water heater and circuit breaker issues.

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How Does a Water Heater Work?

The water heater provides hot water to the entire household for bathing and household cleaning. It does this by siphoning water through a dip tube and heating it inside the water tank. Once heated, the water rises and moves through the heat-out pipe into the home’s water sources.

All water heaters are equipped with heating elements, thermostats, relief valves, drain valves, insulation, and anode rods. The only difference between the gas and electric water heaters is the power source: it depends on electric power. This is the only instance where water and electricity DO mix.

Why Is My Water Heater Tripping the Breaker?

Electric water heaters use a strong electrical voltage to operate. Therefore, it will often have its own dedicated circuit on the electrical system. Sometimes this power draw can be too much for the breaker, and the system will shut off.

There can be many reasons (or no reason at all) a water heater might trip the breaker. If the breaker continues to shut down after resetting several times, leave the breaker off and investigate. Also, don’t install a higher rated breaker to override the system, as this increases the potential of an electrical fire.

How Do I Find Out What’s Causing the Circuit Break?

There are several common causes for a water heater to trip the circuit breaker. In order to pinpoint them, you’ll need to systematically check all electrical components to see if they are fully functioning. Use the multimeter to measure the proper voltage and electrical flow of each component before attempting a repair.

The most common causes center around three areas: corrupted or damaged parts, damaged or ineffective wiring, and water leaks. Identifying the cause will direct how you approach and correct the problem.

Bad Heating Element

Water heaters have heating elements located at the top and the bottom of the water tank. They are usually made of metal and housed in a protective casing to prevent corrosion. Over time, the casing can split or crack and expose the metal directly to the water supply.

This can short circuit or burn out the element itself, either underheating or overheating the water. You’ll either notice a drop in the water temperature or the breaker or high limit switch will shut off. You should test the heating element’s electrical flow to identify this as the cause.

Make sure the breaker to the water heater is turned off, then loosen the wires from the heating element. Use the multimeter to test the points where the wires attach to the element. A 120-volt reading may mean a cracked casing or corrosion, while zero volts means the element has shorted.

Bad Thermostat

The heater alternates between the two elements to produce hot water for in-home usage. Each element has a thermostat built in to ensure only one is on at any given time. A functioning thermostat keeps the system running properly and the water temperature at a maximum of 180 degrees.

If a thermostat goes bad, the element may fail to shut off and possibly run concurrently with the other element. This causes the heater to exceed the 180-degree temperature and draw more electricity than required. This will subsequently overload the circuit breaker and trip the limit switch, breaker, or both.

You can check the thermostats with the same process used to check the heater itself. After safely disconnecting the power and wiring, use the multimeter to check the thermostat for resistance. Bad thermostats need replacing, though most recommend replacing the heating elements at the same time for best results.

Water Leaks

For the most part, the water heater components prevent water from entering the electrical system. Sometimes, a gasket can fail and open the possibility of water reaching the electrical system and tripping the breaker. This is a very dangerous scenario that could lead to serious electrical shock or fire.

Water connecting with the electrical system usually trips the main breaker automatically. If it doesn’t, shut the breaker off immediately and locate the source of the leak. Once you repair the leak, you can restart the breaker and make sure the water heater is operational.

Internal Wiring

If the heating elements and thermostats check out, there might be an issue with the heater’s internal wiring. You’ll have to check the heater’s wiring for burned connections, damaged wire, or signs of electrical arcs. You will likely smell smoke before you find any visual damage.

As always, make sure to turn off the power to the water heater before you begin troubleshooting. Open the outside panel to locate the water heater’s connection to the house’s wiring. Find and replace any damaged wiring or connectors before restarting the water heater.

External Wiring or Electrical Problem

You’ve checked for water leaks, tested the heating elements and the thermostats, and checked the internal wiring. All of those parts check out fine, but the breaking is still tripping. The issue has now moved from a plumbing problem to an electrical problem.

You’ll likely need an electrician in the long run, but there are some things you can check to diagnose the problem. Check the wiring on the line for broken or loose wires. There could also be a bad connection in the panel, or the breaker itself is worn.

Any of the above issues can result in replacing part or all of the breaker. Be sure to use the same energy rating when replacing the breaker. A higher-rated breaker than the current system will allow more current to flow through and potentially overheat or catch fire.

Water Heater Maintenance

Proper maintenance of the water heater can prolong its life and delay the need for repairs. There are some simple tasks the homeowner can do that can save time and money. Regular maintenance can help your water heater run more efficiently and extend the heater’s life.

Be sure to set the water heater’s thermostat at a safe temperature, preferably 120 degrees for economy and personal safety. Likewise, sediment can settle in the tank and cause the heater to stop working too soon. It’s a good rule of thumb to flush the tank at least once a year.

The anode rod is a crucial part of the water heater, taking on the rust to keep the tank clean. Check and change the rod if you notice an abundance of rust. Finally, test your pressure valve every so often; be sure the water cools first before opening the valve.

How do I choose the best water heater?

Choosing the “best” water heater will depend on the size of your home, household, and usage needs. You should aim to get a water heater that is energy efficient , preferably with an Energy Star rating of 3.48 or lower. Between lifetime energy costs and rebate incentives, getting an Energy Star certified heater is a smart, economical choice.Another consideration is the type of water heater. Although the tank style is the most common and the least expensive, tankless units are becoming more popular. Tankless heaters can produce hot water more quickly but may not be cost-effective.Two important factors in choosing a water heater are its necessary water use and its first-hour rating (FHR). Necessary water use estimates how many gallons each household member will need to use over time. The FHR measures hot water produced in the first hour and reflects its efficiency and peak usage capacity.

Stacy Randall is a wife, mother, and freelance writer from NOLA that has always had a love for DIY projects, home organization, and making spaces beautiful. Together with her husband, she has been spending the last several years lovingly renovating her grandparent's former home, making it their own and learning a lot about life along the way.

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5 Issues That Could Trip the Water Heater Reset Button

Does it feel like your electric tank water heater is playing tricks on you? One moment it’s working, then next, it’s turned off. And no matter how many times you reset the system, you keep ending up with less-than-hot water. It sounds like you may be dealing with a tripping reset button. In this article, we’ll help you figure out what’s causing this annoying issue.

What does the reset button of a water heater do?

The reset button goes by other names such as the energy cut-off (ECO) or high limit control. Often, it’s a red button typically located on the thermostat of an electric water heater. The button is part of a built-in safety device that cuts energy to the water heater if the internal water temperature gets dangerously high – above 150°F. When this happens, usually all you have to do is press the reset button, and if the water is cool enough, the water heater will turn back on.

In some cases, the water heater reset button will repeatedly trip. This is a warning sign of a larger issue such as a faulty thermostat, loose wiring, corroded parts, a grounding problem, or a malfunctioning high limit switch.

Common reasons why a water heater’s reset button trips

Faulty thermostat – If the thermostat fails, a heating element can get stuck on, leading to extremely hot water. It’s also possible that the thermostat is still on but not reading the temperature accurately. Obviously, this can impact the water temperature. Replacing the thermostat should fix this issue.
Loose wiring – The connections of wires can loosen up over time or due to improper installation. This can be a dangerous situation because the wires can burn, melt, or smoke – and the heat can trigger the reset device. You’ll need to repair or replace the wire to prevent this problem from recurring.
Corrosion – If moisture leads to corrosion of internal parts, including the thermostat, it can affect the performance and safety of the water heater.
Grounding issue – If the heating element is shorted to the ground, it can lead to high water temperatures and cause the reset button to trip. It’s best to have a professional fix the electrical situation.
Faulty switch – Last, but not least, the high limit switch itself could be malfunctioning and causing the tripping issue.

Have a plumber fix your water heater

It can be frustrating and anxiety-inducing when the reset button keeps tripping on your water heater. As you learned today, there can be several explanations. The best solution is to bring in the experts at Waldman Plumbing . We can pinpoint the reason your unit is turning off and provide high-quality repair service to fix the problem. Schedule an appointment today at (781) 780-3184 .

Published at May 28, 2021
Category: Water Heater

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A Comprehensive Guide To Water Heater On/Off Switches

Having trouble with your water heater? Wondering when and why you should turn the on/off switch on or off? In this all-inclusive guide, we’ll walk you through everything you need to know about water heater on/off switches.

From troubleshooting common problems to maintenance tips, you’ll learn the ins and outs of properly operating your water heater switch.

If you’re short on time, here’s a quick answer to your question: Water heater on/off switches should be kept in the ‘on’ position for normal operation . Only turn the switch ‘off’ during maintenance, repairs, or to reset the heater after it has overheated or tripped a safety cutoff.

Turning the switch off cuts power to the water heater so it doesn’t heat the water.

What Does the On/Off Switch Do?

The on/off switch is a crucial component of a water heater as it controls the power supply to the appliance. By turning the switch on, you allow the heater to receive electricity and start heating the water. Conversely, by switching it off, you cut off the power supply and halt the heating process.

This switch is designed to provide you with control over the operation of your water heater, allowing you to conserve energy and ensure safety.

Controls Power to the Heater

The primary function of the on/off switch is to control the power supply to the water heater. When the switch is in the “on” position, electricity flows through the heater’s heating element, causing it to heat the water inside the tank.

This allows you to have a constant supply of hot water whenever needed. On the other hand, when the switch is turned off, it interrupts the flow of electricity, preventing the heater from operating and conserving energy.

Locating the On/Off Switch

The location of the on/off switch can vary depending on the type and model of the water heater. In most cases, it is situated on the front or side of the heater, near the control panel. Some heaters may have a dedicated switch, while others may use a dial or a toggle switch to control the power supply.

It is important to consult the user manual or contact a professional if you are unsure about the location of the switch for your specific water heater model.

What Happens When Turned Off

When you turn off the on/off switch of your water heater, several things happen. Firstly, the flow of electricity to the heating element is interrupted, causing it to stop heating the water. This helps to conserve energy and reduce your electricity bill.

Secondly, the temperature inside the tank starts to decrease gradually, eventually reaching the ambient room temperature. It’s important to note that the water stored in the tank will gradually cool down over time when the switch is turned off.

Reasons to Turn Off

There are various reasons why you might want to turn off the on/off switch of your water heater. Firstly, if you are going on vacation or will be away from home for an extended period, it is advisable to turn off the switch to save energy and reduce the risk of any accidents or malfunctions.

Secondly, if you notice any issues with your water heater, such as strange noises, leaks, or a malfunctioning thermostat, turning off the switch can help prevent further damage and ensure your safety.

Finally, if you are experiencing a power outage, it is recommended to turn off the switch until power is restored to avoid any electrical issues when the power comes back on.

Remember, always exercise caution when dealing with the on/off switch of your water heater. If you are unsure about any aspect of its operation or have concerns about your water heater, it is best to consult a professional for guidance and assistance.

When Should You Turn the Switch Off?

Knowing when to turn off the water heater switch is important for both safety and efficiency reasons. Here are some situations in which you should consider flipping the switch off:

During Repairs and Maintenance

When you are performing repairs or routine maintenance on your water heater, it is crucial to turn off the switch. This ensures that the power supply to the heater is completely cut off, reducing the risk of electrical accidents.

Additionally, turning off the switch allows you to work on the heater without any potential hot water-related mishaps. Remember, safety should always be the top priority!

If Heater is Overheating

If your water heater is overheating, it is essential to turn off the switch immediately. Overheating can cause serious damage to the unit and even lead to a potential fire hazard. By cutting off the power supply, you can prevent any further damage and protect your home from potential disasters.

Don’t ignore the warning signs of an overheating water heater; take action promptly to avoid any unfortunate consequences.

For Vacations or Long Absences

When you’re planning to be away from home for an extended period, it is wise to turn off the water heater switch. Not only does this save energy and reduce your utility bills, but it also prevents any potential leaks or malfunctions from going unnoticed while you’re away.

By turning off the switch, you can have peace of mind knowing that your water heater is not operating unnecessarily and that you’re not wasting energy.

When Troubleshooting Issues

If you are experiencing problems with your water heater, turning off the switch is often the first step in troubleshooting. By temporarily cutting off the power supply, you can reset the system and potentially resolve minor issues.

However, if the problem persists, it is advisable to seek professional assistance. Remember, tinkering with complex electrical systems without the proper knowledge can be dangerous and may cause further damage.

Turning the Water Heater Back On

When it comes to turning the water heater back on, there are a few important steps to follow to ensure a safe and efficient operation. These steps include letting the tank cool down first, resetting after a tripped breaker, and getting hot water flowing again.

Letting the Tank Cool Down First

Before attempting to turn the water heater back on, it is crucial to let the tank cool down first. This is important for your safety as well as for the longevity of the water heater. Turning the water heater on immediately after it has been turned off can cause damage to the heating elements and other components.

It is recommended to wait at least 30 minutes to an hour for the tank to cool down completely. During this time, you can take the opportunity to check for any signs of leaks or other issues that may need to be addressed.

Resetting after a Tripped Breaker

If the water heater has been turned off due to a tripped breaker, the first step is to locate the breaker panel in your home. Once you have found the breaker that corresponds to the water heater, you can reset it by flipping it back into the “on” position.

It is important to note that if the breaker trips again immediately after resetting it, there may be an underlying electrical issue that needs to be addressed by a professional electrician. Continuing to reset the breaker without addressing the root cause can be dangerous and may lead to further damage or accidents.

Getting Hot Water Flowing Again

After the tank has cooled down and any breaker issues have been resolved, it is time to get the hot water flowing again. The process may vary depending on the type of water heater you have, but generally, you will need to follow these steps:

Turn on the cold water supply to the water heater.
Open a hot water faucet in your home to allow air to escape from the system.
Allow the tank to fill up with water before turning on the heating elements or ignition system.
Once the tank is filled, you can turn on the heating elements or ignition system according to the manufacturer’s instructions.

It is important to give the water heater some time to heat up the water before expecting hot water to come out of the faucets. This can take anywhere from 30 minutes to a couple of hours, depending on the size and efficiency of the water heater.

For more detailed instructions on how to turn your specific model of water heater back on, it is recommended to consult the owner’s manual or the manufacturer’s website. They will have the most accurate and up-to-date information for your particular water heater.

Remember, if you are unsure about any step in the process or if you encounter any issues, it is always best to seek the help of a professional plumber or electrician. They have the knowledge and experience to handle water heater-related problems safely and effectively.

Best Practices for the On/Off Switch

Leave power on for daily use.

One of the best practices for the on/off switch of your water heater is to leave the power on for daily use. This ensures that you have hot water readily available whenever you need it. By keeping the power on, the water heater can maintain a consistent temperature, making it more energy-efficient and saving you money on utility bills in the long run.

However, if you are going on vacation or if the water heater will not be used for an extended period, it is recommended to turn off the power to conserve energy.

Schedule Maintenance Checks

Regular maintenance checks are essential to ensure the proper functioning of your water heater. As part of your maintenance routine, it is important to inspect the on/off switch. You should verify that it is in good condition and functioning correctly.

If you notice any signs of damage, such as frayed wires or loose connections, it is crucial to have it repaired or replaced by a professional. Neglecting to address these issues can lead to safety hazards and may cause the water heater to malfunction.

Teach Family Members Proper Use

Proper use of the on/off switch is crucial to the longevity and efficiency of your water heater. It is important to educate all family members on the correct way to use the switch. Emphasize the importance of turning off the power when performing maintenance or repairs on the water heater.

Additionally, teach them to never tamper with the switch unless they are trained professionals. By instilling these practices, you can prevent accidents and ensure the safety of everyone in your household.

For more information on water heater maintenance and safety, you can visit the U.S. Department of Energy website. They provide valuable resources and guidelines to help you make the most out of your water heater while prioritizing safety and energy efficiency.

When to Call a Professional

While some water heater issues can be easily resolved with basic troubleshooting, there are certain situations where it’s best to leave it to the professionals. Knowing when to call a professional can save you time, money, and potential damage to your water heater.

For Major Repairs and Replacement

If your water heater requires major repairs or needs to be replaced altogether, it’s recommended to call a professional. They have the expertise and experience to handle complex repairs and ensure that everything is installed correctly.

Attempting to tackle major repairs or replacement on your own can be risky and may lead to further damage or unsafe conditions. Professionals have the necessary tools and knowledge to assess the situation accurately and provide the most appropriate solution.

If Troubleshooting Doesn’t Resolve the Issue

While troubleshooting is a valuable first step in diagnosing water heater problems, there are instances where it may not be enough. If you’ve followed the troubleshooting guide and the issue persists, it’s best to contact a professional.

A professional plumber or technician can thoroughly inspect your water heater, identify the underlying problem, and implement the necessary repairs. They have the expertise to handle complex issues that may require specialized knowledge or equipment.

For Annual Checkups and Inspections

Regular maintenance is essential to keep your water heater functioning optimally. It’s recommended to schedule annual checkups and inspections with a professional to ensure that your water heater is in good working condition.

During these checkups, a professional will inspect the various components of your water heater, clean any sediment buildup, check for leaks, and ensure that everything is in proper working order. This proactive approach can help identify and address any potential problems before they escalate into major issues.

Remember, water heaters can be complex systems, and attempting to fix or inspect them without the necessary knowledge or experience can be dangerous and lead to costly mistakes. Hiring a professional will give you peace of mind knowing that your water heater is in capable hands.

Understanding when and how to properly use your water heater’s on/off switch is important for maintaining a functional, efficient appliance. While leaving the switch on is recommended for daily operation, strategic powering off can help with repairs, troubleshooting, and prevent overheating.

Follow the tips in this guide to get the most out of your water heater by mastering its on/off switch.

John Smith brings over 10 years of experience testing and reviewing all kinds of heaters for homes and businesses. He is passionate about helping people find the perfect heater to suit their needs and budget. When he’s not researching the latest heater models and technology, John enjoys DIY projects around the house, camping, and spending time with his family. As the founder and lead reviewer at HeaterAdvisor.com, John takes pride in providing readers with unbiased, comprehensive information so they can make informed decisions for their heating needs.

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ELECTRIC WATER HEATER HIGH TEMP CUTOFF TEST - CONTENTS : Electric Water heaters: how to inspect, test, adjust, repair a water heater high temperature cutoff and reset switch. How to find & identify the high temperature controls and reset switch parts & controls on an electric water heater. Test procedure for electric water heater high limit cutoff thermostat switch. Fix a no-hot-water problem traced to the heater temperature thermostats & controls
POST a QUESTION or COMMENT about troubleshooting, repairing, or replacing the electric water heater high temperature control & reset switch

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Touch one probe to the upper left terminal on the control (L1 in our photo at left).
Touch the other probe to the lower left hand terminal on the control (T2 in our photo at left).
The ohm meter needle should move (or your digital multimeter DMM should show some number other than infinity).
If no continuity and infinite resistance is what you read, try pressing the reset button on this control (the red "RESET" button in our photo at left).

Reader Comments, Questions & Answers About The Article Above

Reader q&a - also see recommended articles & faqs.

On 2020-08-11 by Jim

the hot water coming out of faucets is still very hot, so there's no doubt that the very hot water is causing the thermostat to trip, but why?

Previous comment: The upper thermostat is the one tripping

I have replaced both elements about 2 weeks ago. I replaced the upper thermostat also at that time. I still have the thermostat tripping about twice a day. I have turned bot thermostats down to their lowest setting. I have verified that all of the exposed wires are good , tightened and making good connections. If it happens to be faulty wire within the outer case of water heater and the heater hasn't been moved since it was installed, what could cause the wire to become faulty?

On 2020-03-29 - by (mod) -

Thanks for the question, Ronnie. When the high temperature cutoff control won't reset and we're confident that the heating elements are good I suspect either a wiring error or a defective control device itself. I'd replace the control. Take care: you can be shocked or killed if you are not familiar with safe electrical wiring methods and procedures.

On 2020-03-28 by Ronnie

My electric water heater went off and, I tried to reset the reset button but it wouldn't reset, so I replaced both heating elements and they were pretty bad, but I put it back together and turned on the power at the breaker after filling it back up with water, and it will not reset, so I can't get it to come on.

On 2018-12-08 - by (mod) -

Yes your water heater probably has a reset button on the temperature limit or thermostat

On 2018-12-08 by Tim

Can I rest my water heater without having to turn off the main breaker

On 2018-11-14 - by (mod) -

Anon and Mandie: First try re-setting the control. If the temperature limit control is receiving power but can not be re-set even after waiting for the water heater to cool down (that is to say and the water heater is cool) then I suspect the control is defective and needs to be replaced.

On 2018-11-14 by Anonymous

Mine is doing the same thing did you ever find out what was wrong with yours?

On 2018-11-14 by Mandie

My electric water heater acts like it's not getting power but I know it is because I can touch the wires of a light to it and itll light up...I'm poor and that's the only way I can test to see if its getting power. Still not heating and it has new elements. Reset button makes no noise when pushed either. Any suggestions what could be wrong?

Continue reading at ELECTRIC WATER HEATER INSPECTION CHECKLIST or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX .

ELECTRIC SHOWER HEATERS
ELECTRIC WATER HEATER CONTROLS
ELECTRIC HOT WATER TEMPERATURE CONTROL
ELECTRIC WATER HEATER ELEMENT TESTS
ELECTRIC WATER HEATER ELEMENT REPLACEMENT
ELECTRIC WATER HEATER HIGH TEMP CUTOFF TEST
ELECTRIC WATER HEATER RESET SWITCH
ELECTRIC WATER HEATER THERMOSTATS
ELECTRIC WATER HEATER - NO HOT WATER
RELIEF VALVE LEAKS
ELECTRIC WATER HEATER INSPECTION CHECKLIST
ELECTRIC WATER HEATER PARTS ID
ELECTRIC WATER HEATER REPLACEMENT
TIMERS for ELECTRIC WATER HEATERS
WATER HEATER ANODE & DIP TUBE CHECK
WATER HEATERS for HOME HEATING USE?
WATER HEATER LEAK REPAIR
WATER HEATER RESET BUTTONS & CONTROLS

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How to Reset a Water Heater (and Why You’d Need to)

Unfortunately, these are pretty common problems that many homeowners or apartment dwellers might face eventually, especially with electric water heaters and water heater reset switches.

What To Check When You’re Having Hot Water Problems

The first thing you should check is the water heater’s reset switch, which is usually a red button on the upper thermostat of an electric water heater (you will need to remove the small panel to access it). If the button is lit up, it means the switch tripped and needs to be reset. You reset the electric water heater reset button by pushing that red button.

There may also be a lower thermostat reset button on the water heater. If so, push that reset button as well. If you push either of these buttons but they immediately trip and won’t reset, you may have a problem with one of the parts in the water heater.

What’s the Problem? Why Does the Switch Keep Tripping?

One of the main causes for the reset switch to trip is because the water heater is actually letting the water get too hot. This is probably an indication of a faulty thermostat in either the upper or lower heating element.

Upper and Lower Heating Elements – How an Electric Water Heater Works

The way a water heater works is pretty simple. Water in the pressurized tank fills from the bottom up and heats from the bottom up as well. Fresh water fills at the bottom and the lower heating element heats that water. As the water fills to the top, the upper heating element keeps the water hot.

Each section has its own heating element and thermostat. These thermostats control the heating elements in the water heater . As the water sits in the tank, it will start to cool off. The thermostats kick in to reheat the water. Once the water heats to the temperature set on the high-limit switch, the thermostats shut off.

If the lower heating element or thermostat goes bad, the water won’t heat up at the bottom. So as you use the hot water that’s at the top of the tank, it’s replaced by the cold water the bottom of the tank.

If the upper heating element or thermostat goes bad, you may get hot water at first, but you’ll quickly use up that hot water before the heated water at the bottom reaches the top. With a faulty high-limit thermostat, the element will keep heating the water above the set temperature and the high-limit switch will trip.

What is the High-limit Switch?

The high-limit thermostat should be set at a temperature that gives you nice, hot water, but not boiling water that can burn or scald you. Your tap water should never come out as hot as boiling water.

Once you set the thermostat, the water should never heat above that set temperature. If it does, the high-limit switch will trip and the upper heating element will shut off.

Other Reasons for a Hot Water Heater Reset Button to Trip

Thermostats aren’t the only parts on an electric water heater that can wear out and trip the reset button, especially if you’re finding you have to reset the water heater frequently or you run out of hot water fast and often.

The high-limit switch is bad. If the high-limit switch starts malfunctioning and overheating the water, the switch will trip.
Wiring is loose. A loose wire in heating element can cause heat that will trip the high-limit switch.
You have a short in the heating element. If this happens, the thermostat may still work correctly, but the short will continue to heat the water beyond the correct temperature and trip the high-limit switch.
Lastly, it might not be the water heater at all, but rather how the electricity is set up in your home.

If your circuit breaker trips and needs to be reset, the water heater stops getting electricity to run. If the water heater keeps tripping the circuit breaker , you should get a professional in to check the water heater and the circuit breakers themselves to make sure there aren’t any other electrical appliances sharing that same breaker.

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Water Heater Tripping its Reset Button? Here’s What It Means

If you’re familiar with the thermostat controls on your water heater, you may have noticed that 120 degrees Fahrenheit is the recommended setting . That’s considered the sweet spot because it’s hot enough to prevent the growth of harmful bacteria, but not so hot as to pose a serious scalding hazard.

There are a few types of problems that can cause your water heater to overheat the water in the tank, and when that happens, the emergency cut off (ECO) kicks in to shut down the appliance completely. To reset it, you’ll need to press the red reset button on the ECO, which is usually attached to the upper thermostat.

When a water heater starts tripping the ECO repeatedly, it’s time to call a plumber for service. There’s a good chance that the water in the tank is dangerously hot, and since the problem is usually caused by a failed component, it won’t get better until the bad part is identified and replaced.

Here’s a quick rundown of the most likely causes:

Your Thermostat is Bad

Or perhaps both of them are -- your water heater has two thermostats, one at the bottom of the tank and one at the top. Each thermostat controls a heating element, which heats the water. When the water reaches the desired temperature, it’s the job of the thermostat to shut the heating element off. But if one or both thermostats go bad, it can force the heating element to run continuously, overheating the water.

Your Heating Element is Bad

Heating elements can also go kaput with age. In many cases, they’ll just stop heating altogether -- but sometimes a heating element can develop an electrical short that causes it to receive power even after the thermostat shuts it down. This produces the same result: overheated water and repeated tripping of the ECO.

Your ECO is Bad

The ECO itself is yet another part that is susceptible to failure. This could be due to wear and tear from repeated instances of overheating, or it could just be a spontaneous failure. A fried ECO switch will need to be replaced, but on the bright side, this problem alone can’t overheat your water.

If your thermostats, heating elements, and ECO are all operating properly, it’s possible that a loose wiring connection could be producing another source of heat inside your water heater. In addition to causing your ECO to trip repeatedly, this problem also poses a serious risk of fire or electrical shock. Leave it to a trained service professional to determine if your water heater is suffering from wiring problems.

No matter the cause, repeated tripping of your water heater’s ECO is a problem that demands prompt attention. If you’re experiencing this problem, reach out to your local Benjamin Franklin to schedule service without delay. Contact us today at 10877-BEN-1776!

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Why Is My Water Heater Tripping The Reset Button?

Your water heater reset button is a safety device that shuts off power to your water heater when the water temperature inside it exceeds 180 degrees Fahrenheit.

Side note: the reset button is also sometimes referred to as the ECO (emergency cut off) switch or “high limit safety thermostat switch”.

So, what’s causing the button to keep tripping? There are a number of possible underlying problems. We’ll show you the 4 most common.

Note: We highly recommend hiring a licensed plumber to take care of any repairs on your water heater.

Reason #1: Bad thermostat

Electric water heaters have 2 thermostats and 2 heating elements. There is an upper and lower thermostat/element pairing as seen in the diagram below.

Diagram of electric water heater. Photo courtesy: Waterheatertimer.org

The thermostat’s job is to monitor the temperature of the water in the tank and shut off the heating element when it reaches your set temperature.

But when a thermostat goes bad, it sometimes gets “stuck” and doesn’t turn off the element it serves. This allows the element to keep heating the water until the reset button trips. If this is the problem, you’ll need to replace the thermostat.

Reason #2: Loose electrical connection

Loose electrical connections are a hazard no matter where they occur. The high resistance caused by a loose wire produces a substantial amount of heat that can eventually cause fires.

If there is a loose electrical connection within your water heater’s system, your reset button’s thermometer can trip (regardless of the water’s temperature) if it picks up the heat from that loose wire.

Reason #3: Bad heating element

A short in one of the heating elements allows power to flow through the element even after the thermometer shuts off its power.

This means the heating element is still working and will continue to increase the water temperature, eventually tripping the reset button.

Reason #4: Bad reset button

Just like all parts of the water heater, the reset button will eventually suffer from wear and tear. This can cause it to perform less effectively and continually trip regardless of the temperature of the water in the tank.

The reset button is actually part of your upper thermostat. So, if this is the problem, you’ll need to replace the whole thermostat.

So, how do I know which is causing the reset button to trip?

Diagnosing this problem on your own is tricky and dangerous because you’re dealing with 240 volts of electricity.

Unless you’re experienced with wiring and electrical components, we suggest leaving it to a professional to pinpoint your specific issue. The good news is that a professional can both test and repair your water heater.

If you’re in the Atlanta area and are in need of a professional plumber to repair your water heater, schedule your appointment with Mr. Plumber today.

5 Reasons Why Your Water Heater's Thermostat Keeps Tripping (and what you can do about it)

One of our small comforts in life is using hot water for our daily showers. We also use it for our laundry and even for washing our dishes. In many countries with especially cold weather, a water heater can be a priority that people cannot go without. Hence, a reliable heater may be crucial for a person’s daily life.

Unfortunately, appliances can have malfunctions every now and then, especially if they are already old. As time passes, you may notice that they are not working as well as they do when you first bought them. Some parts of your appliances may go bad, which may need replacement or service.

Water heaters can also have their problems. In this situation, if your heater’s thermostat keeps tripping, what does it mean? Is there anything you can do?

The main reasons behind a tripping thermostat

When your water heater keeps tripping, experts recommend in resetting it. However, if this happens all the time, it can be a hassle to do, plus, it can be worrisome to know the effects of resetting it frequently.

Reason #1: Your thermostat may be going bad

If it keeps tripping, then the primary reason we need to look into is your heater’s thermostat. In many cases, a defective one may cause the reset button to trip on its own.

Thermostats allow water heaters to regulate the temperature according to the recommended number. Most heaters have two thermostats – an upper and lower thermostat that controls the heat in its top and bottom parts. If one or both of them are faulty, it causes your water to overheat, which trips the “reset” mechanism of your heater. Until you do something about it, your thermostat will stay on and overheat the water, causing it to cut off again and again.

How to know if your thermostat is faulty

If you are a handy person, you can try investigating your heater to see if your thermostat is the problem. However, we will always recommend in calling a professional plumber for your safety and convenience.

A damaged upper or lower thermostat?

You can do a quick test to know whether your upper or lower thermostat is faulty easily. All you have to do is turn on the hot water tap.

If cold water runs out, the reason is a faulty upper thermostat.
If at first, hot water runs out but eventually becomes cold, then the reason is a faulty lower thermostat.

Of course, to be sure of its defects, identifying if they are indeed faulty can be a chore. Since improper handling can cause some accidents and even burns, call a plumber to replace or fix your thermostat carefully.

Reason #2: You may have a faulty ECO

If you are wondering why it is possible to use your water heater without it being too scalding hot is its ECO, or Emergency or Energy Cut Off system. Almost all gas water heaters have this feature.

The function of the ECO is more of a safety feature. Once the temperature of the water is in the recommended range, your heater’s thermostat will cut off on its own. Most thermostats are set to trip automatically when the temperature is around 82 degrees Celsius (or 180 degrees Fahrenheit). Unfortunately, if you have a faulty ECO, it is possible for your system to overwork. Aside from tripping, this can also result in fires and other accidents.

When your emergency cut off system is bad, it will automatically trip regardless of the temperature of the water. Due to the reason that ECO systems often get damaged as a result of a frequently overworked heater, fixing this will usually include the thermostat.

What you can do

If you suspect that your emergency cut off may be going bad, try resetting it first. Depending on the type of heater you have, some have a red reset button that you can push easily. If this does not solve anything, you may have to call a plumber to replace your entire thermostat.

Reason #3: You may have faulty wiring

When you have loose or faulty wiring, it can mess with your heater’s operation. Hence, this can often be one of the causes of a tripping thermostat. For this problem, we highly recommend in calling a plumber as soon as possible. If left unattended, faulty wiring can easily cause fires.

Since it is difficult to identify faulty wiring without any preemptive knowledge about it, DIY tinkering is highly dangerous. If you are confident to investigate further, make sure to check your thermostat and ECO first before attributing the problem to bad wiring.

Before doing anything, turn off our breaker for your safety. When you are sure that there is no electricity that can shock you, check your heater’s terminals. See if there are any visual signs of burnt wiring, discoloration, or calcium deposits in the system.

If you still have a manual of your heater’s wiring placements, try to compare if they are the same. Once you see any problems, call a professional for repairs or replacements immediately.

Reason #4: You may have a faulty heating element

Another reason why your thermostat is tripping can be due to a bad heating element. Shorted elements can undoubtedly affect your heater’s smooth operation, which is why it may automatically reset on its own.

Once there are defects with the elements, your heater’s thermostat will also be affected. This is because it will continue to transfer electricity even without a running thermostat, which increases the heater’s temperature. In some cases, your heater may not even produce enough heat for it to work properly.

Loose or bad elements can cause electrical shocks and fires. When your water overheats, it can also damage the other parts of your heater, and you may need to replace it entirely. If you suspect faulty elements, call an expert to fix the problem before it gets bigger.

Replacing a faulty element is usually inexpensive. To determine whether it is going bad, you can try checking it for continuity. Make sure to turn off the heater’s breaker before trying to determine loose wire connections and faulty elements.

When you check the element, use a multimeter in the resistance setting. Place the lead on the element and see if it can detect continuity. If it does not, you need to replace the element before using your heater again.

Reason #5: You may have a faulty breaker

When your heater keeps tripping by itself, the problem may be due to the circuit breaker. As time passes, many circuit breakers succumb to their age and start to corrode. If this is the case, you may need to have it replaced before trying to use your water heater again.

If you notice that your breaker’s switch gets stuck or is too loose, try wiping it with a dry cloth first.

When you suspect a failing circuit breaker, it will be wise to switch it off and have it serviced. Continuously using a faulty breaker causes overheating and shortage that may result in other dangerous accidents.

It is possible to fix your water heater

Having hot water in your home is important for your day-to-day tasks. If you think that your water heater is going bad, this does not automatically mean that you will get cold water until you replace it. Often, heaters are serviceable for an affordable price.

Here are some tips to make your heaters last longer:

Check your heater regularly

Inspect your heater regularly by listening for weird sounds, rust, and other signs of damage.

Replace old parts

If you have an old heater, it may be expensive to replace it entirely. See if there are any signs of damage with its parts and replace them as soon as you can.

Keep your heater away from other appliances

Experts recommend keeping your heater away from furniture and appliances to prevent overheating. Encourage proper ventilation by keeping other items at least 2 feet away from your heater.

Adjust your heater to a lower temperature

To save energy and lessen the stress of your heater, try lowering changing its temperature to a lower number.

Get the help of professionals

If you suspect a faulty heater , it is wise to act fast. Waiting for too long can damage your heater more and may even be the cause of accidents. When your thermostat starts tripping, you can call a professional plumber to help you.

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Is Your Hot Water Heater Safety Switch Tripping Often?

Before you attempt to fix or replace the safety switch on a hot water system yourself, you should consider hiring a professional hot water installer/repairer .

It’s possible the issue is bigger than just a bad switch or faulty wiring and that you may actually need to replace your hot water heater.

Whether that is the case or not, when there is electricity and plumbing involved, it’s always best to get a professional to investigate and fix the issue.

Call the Hot Water experts on 1800 633 920 or send us a message and we’ll send someone over quickly to help with your electric hot water temperature issue!

Is Your Water Heater Tripping Its Reset Button?

Here are some likely causes of why that is happening

Controls For Your Hot Water Heater

If you already know about your water heater’s thermostat control , you probably are already aware that 48-50 degrees ( Celcius ) is recommended as the ideal setting.

This temperature is thought of as a sweet spot since it’s both hot enough to kill bacteria and moderate enough not to cause any serious burns.

However there are several kinds of problems that could cause your water heater to overheat, and whenever this happens the emergency cut-off, or ECO, is engaged in order to turn off the heater entirely.

In order to reset the heater you will want to push the red button of the ECO, usually found on the upper part of the thermostat.

Sometimes, however, the water heater will start to trip the ECO repeatedly, and in this case you will need to contact a plumber.

There is a fairly high chance that the tank water in this situation will be dangerously hot, and because this problem most likely comes from a faulty component, things won’t get any better until this faulty part is discovered and removed.

Here Is A Quick Overview Of The Most Probable Causes For A Water Heater Tripping The Safety Circuits :

The thermostat is faulty.

Or maybe even both of them are (water heaters have two thermostats, one at the top of the tank and one at the bottom). Each of these thermostats controls a heating element that heats up the water.

Once the water reaches the ideal temperature, it’s the thermostat’s job to turn off the heating element.

But if either or both of the thermostats go faulty and cease doing their job then the heating element begins heating the water well above the ideal and safe level.

Your Heating Element Is Faulty

Heating elements can also turn faulty over time. In most cases, however, they will just stop heating once they go bad.

But in some cases, a heating element can, due to an electrical short, continue to receive power and continue heating despite the fact that the thermostat has attempted to shut it off.

This problem will bring about the same result: dangerously hot water and repeated tripping of the ECO.

Your ECO Is Faulty

The ECO itself could be the culprit. Either through wear and tear or through repeated cases of overheating, or even a totally spontaneous failure.

You will need to replace a fried ECO switch, but the good news is that a fried switch alone is not enough to overheat your water.

If your ECO is tripping but your thermostat, heating element, and ECO are all still in working order, then it could be that some loose wiring is producing a separate heat source from within your water heater.

On top of overheating your water, this particular problem carries the additional risk of fire or electrical shock. Certainly one should allow trained professionals to figure out if your water heater is malfunctioning because of wiring problems.

No matter what the cause proves to be, repeated tripping of the ECO of your hot water system is something that requires immediate attention.

If you are currently dealing with this problem in Sydney , please reach out to a professional in order to remedy the situation as quickly as possible.

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Water Heater Keeps Tripping The Breaker: Causes and Solutions

If you notice that your water heater keeps tripping the breaker, it’s time to take a closer look into the system. Water heater circuits usually don’t have any other device connected to them. This means if the breaker is tripping, it’s only because of the water heater.

Sometimes there’s no concrete reason behind these random trips, and you can simply reset it and let it work at its usual pace until it happens again. However, if this becomes an everyday phenomenon, you need to inspect the cause and take a closer look at the issue.

If you have no idea why your water heater keeps tripping the breaker, read until the end to find out what causes the circuit breakers on your heating system to trip and how you can fix the issue.

Table of Contents

5 Reasons Why Your Water Heater Might be Tripping the Breaker

Once you’ve recognized the issue, you need to inspect the cause behind the repeated trippings. Fortunately, it’s pretty simple to investigate a faulty water heater.

Here are 5 reasons why your water heater keeps tripping the breaker with solutions.

1. A Faulty Thermostat

Every water heater has a temperature control switch limited to 180° Fahrenheit to prevent the water from overheating and scalding your skin.

Generally, these appliances also have two thermostats that are connected to individual elements that heat the water. The communication between these two thermostats enables only one element to heat up at a time.

However, a faulty thermostat will disrupt the communication, causing both elements to heat up together. This will cause overheating, and the circuit is overloaded with current, causing the breaker to trip. Be sure to add testing the thermostat to the list of check points.

How to Fix the Problem

You need to turn off the power supply and inspect the thermostat using a multimeter . The multimeter will be used to determine the resistance level in each thermostat.

For (NO) thermostat, the resistance should be close to zero ohms, and for (NC) thermostat, the resistance might be close to 0.5 ohms. If the limit exceeds these, you need to get the thermostats replaced.

It’s also important to replace the heating elements and the thermostat to ensure that they’re compatible.

2. Malfunctioning Heating Element

The pair of heating elements are responsible for warming up your water, and if either of them fails, they can cause a short circuit.

For example, when a heating element fails, the water won’t be warm. However, in unfortunate scenarios, the internal electrical components of the element might come in direct contact with the water, resulting in a short circuit.

Also, similar to the previous scenario, the water heating element can malfunction and continue to warm the water without a break, causing the circuit to overheat and trip.

How to Fix This Issue

To deal with malfunctioning water heating elements, you’ll again need a multimeter. Turn off the electrical supply and disconnect the wires from the faulty elements.

Then use the multimeter to measure the resistance on each side of the heating elements where the wires were originally attached. Depending on the wattage, you should get the resistance reading as follows:

3,500-watt element = 16 ohms
4,500-watt element = Between 12 and 13 ohms
5,500-watt element = Between 10 and 11 ohms

If the reading doesn’t match, the heating element is clearly malfunctioning. In this case, the only option you have is to get them replaced immediately.

3. Leaky Water Lines

Water line leaks can also cause the breaker to trip. If your water heater pipes are old and withered, they’ll naturally be weakened over the years, and you might develop leaks.

Along with that, excessive pressure in the water heating system and faulting valves can also cause a leak. In either case, the electrical components might come into direct contact with the water. Since water and electricity don’t go together well, it will cause an immediate electrical short circuit or a fatal electric shock.

In fortunate cases, the breaker will cut off the electrical supply to the system.

How to Fix This Issue

The only solution to this problem is to repair the leaky pipes. Once the electrical supply is cut off, inspect and locate the faulty pipe and fix it. Leaky water pipes are also caused by poor maintenance. You can find out the best maintenance schedule for your water heating system, here .

4. Faulty Electrical Connections

If the constituting parts of the water heating appliance are in perfect condition, then the problem is probably with the electrical lining.

If you feel this is the case, then you need to start your inspection with the connection between the water heating appliance and your house’s main electrical line. Sometimes a burnt wire, loose connections, or broken electrical components can be the possible cause behind a tripping breaker.

Arced wires are also a major concern. In this case, the electricity jumps from one wire to another, breaking the continuity in the line.

If you’re done inspecting the internal electrical wiring but don’t find a problem, then maybe the problem lies outside the water heater. Check the external wires that are connected to the appliance and look for signs of damage or burns.

5. Inspect the Breaker

If everything is in perfect shape, yet the breaker is tripping repeatedly, then the problem lies in the breaker itself. Sometimes breakers will wear out after long-term use and trip the slightest exposure to electricity.

In any of these cases, all that you have to do is repair or replace the damaged electrical component.

However, when you’re replacing the breaker, be careful with the rating. The replacement should have the same rating as the original component. Choosing a breaker with a higher or lower rating will disbalance the flow of electricity and disrupt the system.

Final Thoughts

If your water heater keeps tripping the breaker, there are many causes and solutions. Annual maintenance can help your heater last for many years.

Tripping breakers are a common issue in every household, and you have nothing to worry about. Just make sure if it keeps tripping that you don’t try to flip it back again and again. This will lead to overheating in the electrical lines and can even cause an electrical fire.

When it comes to electrical matters, it’s always best to abide by all safety precautions, and if you find the work too challenging for you, don’t hesitate to reach out to a professional.

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COMMENTS

Water Heater Reset Button Keeps Tripping? Do This
The signs of a bad water heater thermostat are when the reset button keeps tripping, followed by very hot water which cools off with time. When you have no hot water at all, it means the upper thermostat is bad while hot water followed by cold water signifies a bad lower thermostat. 2. Short Heating Element.
Water Heater Thermal Switch Keeps Tripping? (Possible Causes & Fixes)
A water heater's thermal switch keeps tripping if a vent is blocked. Excess heat will build up within the system, and you'll need to clean one or both of the vents to increase the airflow. A thermal switch can repeatedly trip on a water heater a thermostat or the heating element is damaged. You can generally inspect your water heater and ...
Water Heater Keeps Tripping Reset
Step 1: Disconnect the Power Supply. Number one rule: never troubleshoot a water heater that's turned on. Unplug the unit from the outlet or disable it at the circuit breaker, but however you do it, make sure it's completely turned off. Also, please don't attempt this unless you feel safe and confident doing so.
Water Heater
How do I test a thermal cutoff switch? In this episode of Repair and Replace, Vance shows how to replace a thermal cutoff switch in a standing pilot water he...
Water Heater Keeps Tripping Breaker? (Possible Causes & Fixes)
For the most part, the water heater components prevent water from entering the electrical system. Sometimes, a gasket can fail and open the possibility of water reaching the electrical system and tripping the breaker. This is a very dangerous scenario that could lead to serious electrical shock or fire.
5 Issues That Could Trip the Water Heater Reset Button
Discover why your water heater's reset button keeps tripping. Uncover 5 common issues & get expert help from Waldman Plumbing. Call 781-780-3184 now! ... or a malfunctioning high limit switch. Common reasons why a water heater's reset button trips. Faulty thermostat - If the thermostat fails, a heating element can get stuck on, leading to ...
A Comprehensive Guide To Water Heater On/Off Switches
The primary function of the on/off switch is to control the power supply to the water heater. When the switch is in the "on" position, electricity flows through the heater's heating element, causing it to heat the water inside the tank. This allows you to have a constant supply of hot water whenever needed. On the other hand, when the ...
Electric water heater reset switch diagnosis & repair: How to Test
The electric water heater high-temperature cutoff switch will turn off the entire water heater if temperatures are too high. If this cutoff is not working the water heater will simply not heat at all. You can use this switch to test to confirm that the incoming electrical power circuit is indeed bringing power to the water heater.
How to Reset a Water Heater (and Why You'd Need to)
One of the main causes for the reset switch to trip is because the water heater is actually letting the water get too hot. This is probably an indication of a faulty thermostat in either the upper or lower heating element. Upper and Lower Heating Elements - How an Electric Water Heater Works. The way a water heater works is pretty simple.
Water Heater Tripping its Reset Button? Here's What It Means
To reset it, you'll need to press the red reset button on the ECO, which is usually attached to the upper thermostat. When a water heater starts tripping the ECO repeatedly, it's time to call a plumber for service. There's a good chance that the water in the tank is dangerously hot, and since the problem is usually caused by a failed ...
Why Is My Water Heater Tripping The Reset Button?
Reason #4: Bad reset button. Just like all parts of the water heater, the reset button will eventually suffer from wear and tear. This can cause it to perform less effectively and continually trip regardless of the temperature of the water in the tank. The reset button is actually part of your upper thermostat.
Understanding Hot Water Heater Reset Buttons: What Trips Them and How
Electrical Overload: Excessive electrical current flowing through the heating elements can cause them to overheat and trip the reset button. This can occur due to issues such as a faulty thermostat, loose electrical connections, or a malfunctioning heating element. Overheating: If the water inside the tank becomes too hot, the reset button may ...
5 Reasons Why Your Water Heater's Thermostat Keeps Tripping (and what
Reason #1: Your thermostat may be going bad. If it keeps tripping, then the primary reason we need to look into is your heater's thermostat. In many cases, a defective one may cause the reset button to trip on its own. Thermostats allow water heaters to regulate the temperature according to the recommended number.
How To Bypass A Thermal Switch On Water Heater
To know how to reset the thermal switch on a gas water heater or how to reset the Whirlpool water heater go through the following steps: 1. Find the reset button on the thermal switch's center, and press it. 2. When it trips, you will hear a clicking sound. 3. If no clicks are heard, try lighting the pilot using the given instructions attached ...
Water Heater Tripping Your Breaker? Follow These 5 Steps
If you think the problem is actually with your water heater, the first thing you need to do is take a look at that thermostat. Water heaters typically have a limit switch that prevents the water from exceeding 180 degrees Fahrenheit. If the water gets too hot, there is a limit switch that trips, stopping the water from getting any hotter.
Why the Water Heater Keeps Tripping Breaker
1. Burnt-Out Heating Element. A burnt-out heating element can lead your circuit breaker to trip because the compromised heating element either increases how much power the water heater consumes—leading to a tripped breaker—or exposes the heating element to moisture, also tripping the breaker. If your heating element is burnt out, then you ...
Why Is My Hot Water System Tripping The Safety Switch?
It's ...
Water Heater Keeps Tripping The Breaker: Causes and Solutions
Here are 5 reasons why your water heater keeps tripping the breaker with solutions. 1. A Faulty Thermostat. Every water heater has a temperature control switch limited to 180° Fahrenheit to prevent the water from overheating and scalding your skin. Generally, these appliances also have two thermostats that are connected to individual elements ...
Fixing Water Heater that Trips Breaker Occasionally
Electric water heater keeps tripping the breaker. It will stay on for 30 minutes or so and then the breaker will trip. Here's why!Kobalt 1.5 inch socket for ...
YANTAR CITY
Yantar City, Elektrostal: See traveler reviews, candid photos, and great deals for Yantar City at Tripadvisor.
Apart Hotel Yantar
4.0. Very good. 2 reviews. #2 of 4 hotels in Elektrostal. Cleanliness. Service. Value. The Apart-Hotel offers its guests free parking of the Yantar complex, 24-hour security and video surveillance, free WI-FI in rooms, a cozy Reception zone on the ground floor, two high-speed elevators making it pleasant and quick to go up to the 5th floor ...
YANTAR HOTEL
Many travelers enjoy visiting Summery House A.I. Morozova (5.4 miles) and Shirokov House (7.1 miles). See all nearby attractions. Elektrostal. Hotels. More. Yantar Hotel, Elektrostal: See traveler reviews, candid photos, and great deals for Yantar Hotel at Tripadvisor.
Apelsin Hotel
43 reviews. #1 of 4 hotels in Elektrostal. Location. Cleanliness. Service. Value. The hotel "Apelsin" in Electrostal which was opened in December 2012 is the newest hotel in the town. In May 2015 opened the second floor of our hotel. Total number of rooms reached 81.

Water Heater Reset Button Keeps Tripping? Do This

Common Causes for the Water Heater Reset Button Tripping

What to Do When the Water Heater Reset Button Trips

Why Your Water Heater Keeps Tripping the Reset Button

1. A Bad Thermostat

2. Short Heating Element

3. Bad Reset Button

4. Loose Wiring

Troubleshooting the Problem

How to Replace a Water Heater Thermostat

How To Replace a Water Heater Heating Element

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Water Heater Keeps Tripping Reset – How Can I Fix It? 6 min read

Why Your Water Heater Reset Button is Tripping

Electrical Issues

Mechanical Issues

Other Causes of Water Heater Tripping Reset

How to Stop Your Water Heater from Tripping Reset

Step 1: Disconnect the Power Supply

Step 2: Remove the Cover Plates

Step 3: Remove the Insulation Pad

Step 4: Locate the Reset Button

Step 5: Press the Button

Step 6: Reassemble the Heater

Step 6: Turn the Power Back on

Maintenance Tips to Prevent Water Heater from Tripping Reset

Understanding Your Water Heater

Conventional Storage Water Heaters

Tankless Water Heaters

Heat Pump Water Heaters

Solar Water Heaters

Condensing Water Heater

Water Heater Keeps Tripping Reset – Key Takeaways

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5 Issues That Could Trip the Water Heater Reset Button

What does the reset button of a water heater do?

Common reasons why a water heater’s reset button trips