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Water Heater Is Too Hot

The 3 most common part(s) or condition(s) which contribute to the symptom Water Heater Is Too Hot are listed below. Check or test each item and watch any available videos. If you are still unable to solve the problem you may need to do additional research and troubleshooting. Remember, with our 365 Days. Period.® return policy you can return any part for any reason. So, go ahead and buy it to try it. No other parts retailer offers this unconditional return policy.


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For the symptom you selected, these are the most common parts or causes, ordered by the likelihood of fixing the symptom.

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Gas Valve and Thermostat Assembly

If the water from the water heater is too hot the gas valve and thermostat assembly may be defective. Carefully measure the hot water temperature from the nearest faucet to the water heater. If the water from the faucet does not match the temperature setting on the water heater gas valve and thermostat the gas valve and thermostat assembly should be replaced.

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Heating Element

If the water from the water heater is too hot there could be a problem with a heating element in the unit. It is possible for the heating element in a water heater to short out causing it to heat all the time. This should eventually trip the high limit on the thermostat but it can cause very hot water from the tank also. Heating elements can be isolated and tested for continuity to see if it is shorted to ground with a multimeter.

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Thermostat

If the water from the water heater is too hot a thermostat may be defective. Carefully measure the hot water temperature from the nearest faucet. If the water is too hot for the selected setting on the thermostat then the thermostat should be replaced. Most manufactures recommend a set temperature of 120 degrees Fahrenheit or less to prevent the risk of scalding.

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