Try lowering the setting on your water heater thermostat — even if it is already set at 120 degrees. If lowering it still further doesn't cause your hot water heater to shut down within minutes – or your tap water to cool off within a couple of hours – a malfunctioning thermostat is most likely the culprit.Mar 4, 2020
Why is my water coming out so hot?
If your water heater is making hot water too hot all of a sudden, it's likely the result of the temperature setting being too high, a malfunctioning thermostat, high mineral content, or the pressure relief valve is blocked. Each of these issues can cause the water from the faucet to come out too hot.
How do I know if my hot water heater thermostat is bad?
If you turn the hot water tap and cold water runs out, then the upper thermostat is damaged. But if the water is hot that becomes later becomes cold, then you have a damaged lower thermostat.
Can hot water heaters overheat?
An overheating water heater can be a safety hazard to you and your family. When your water heater starts overheating it can cause serious problems. Not only could the water be hot enough to burn your skin, problems in the hot water tank with the pressure of the system could damage the water heater.Mar 8, 2017
How do I adjust the heat on my hot water heater?
If you have a gas water heater, adjusting the temperature is easy. Simply turn the dial located on the front of the gas control valve. The hot setting will be around 150 degrees while warm will be around 95 degrees. As mentioned earlier 120 degrees is the recommended setting.Mar 29, 2016