Where Is Water Heater Thermostat?

There are two types of water heater thermostats, those that are located inside the unit and those that are located outside. If you have an electric water heater, the thermostat is most likely located inside the unit. If your water heater is gas-powered, the thermostat is likely located outside.

To find the exact location of your water heater’s thermostat, consult your owner’s manual or contact the manufacturer.

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Water heater thermostats are located near the bottom of the tank on the outside. The thermostat is usually found in a small box near the bottom of the tank with a knob or dial on it. If you cannot find your water heater thermostat, check your owner’s manual for its location.

Water Heater Thermostat Setting

If you have an electric water heater, there are two thermostats that control the unit. The upper thermostat controls the upper element and the lower thermostat controls the lower element. Each thermostat has its own knob that is used to set the temperature.

Most models have a factory setting of 140 degrees Fahrenheit, but you can adjust it up or down depending on your needs. While 140 degrees is generally considered safe for most households, you may want to adjust it based on your family’s needs. For example, if you have small children in the home, you may want to set it at a lower temperature to prevent scalding.

Or if you live in a hot climate, you may need to crank up the heat to ensure that your water stays hot enough for use throughout the day.

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The best way to find out what works best for your home is to experiment with different settings until you find one that suits your needs. Keep in mind that each time you adjust the thermostat, it will take some time for the water heater to reach the new temperature.

So give yourself some time to test out different settings before settling on one permanently.

Where Is Water Heater Thermostat?

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How Do You Check a Water Heater Thermostat?

If your home has a gas water heater, there will be a knob on the front of the unit that you can turn to adjust the temperature. There may also be a dial inside the unit that you can use to set the temperature. If your home has an electric water heater, there will likely be a thermostat on the side of the unit that you can adjust.

To check the thermostat on either type of water heater, start by turning off the power to the unit at your breaker box. Then, remove any panels or access covers so you can see the thermostat. With a multimeter set to Ohms mode, touch one lead to each terminal on the thermostat.

You should see continuity between the terminals if the thermostat is working properly. If not, it will need to be replaced.

How Do I Reset My Water Heater Thermostat?

If your water heater thermostat is not working properly, you may need to reset it. To do this, first turn off the power to the water heater. Then, remove the access panel and find the reset button on the thermostat.

Press and hold the button for 3-5 seconds. Once the button has been released, turn the power back on to the water heater.

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Do All Hot Water Heaters Have a Thermostat?

Yes, all hot water heaters have a thermostat. This is because the thermostat controls the temperature of the water in the tank. If the water heater does not have a thermostat, then it would not be able to maintain a consistent temperature and would likely overheat or underheat the water.

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If you’re wondering where your water heater thermostat is, don’t worry, you’re not alone. Many people have trouble finding this essential component of their water heater. The good news is that it’s usually located in the same place as the gas control valve.

Once you find the gas control valve, simply look for a small knob or switch next to it. This is the thermostat.


I am a mechanical engineer and love doing research on different home and outdoor heating options. When I am not working, I love spending time with my family and friends. I also enjoy blogging about my findings and helping others to find the best heating options for their needs.