Change Water Heater Thermostat

If the thermostat stops working the element either won t come on at all and the water is cold or the element stays on too long and the water is scalding.

Change water heater thermostat. Use the screwdriver and rotate the adjustment dial clockwise to the desired temperature. Continue to check the upper heating element for voltage it may take quite a while and the water may have to quite cold but it should come on eventually. You may need to repair your electric hot water heater. Once the power is off remove the cover for the full access to the thermostat.

I think we can all agree that waking up to take a shower in the middle of winter only to find out that all the water is cold is not the best thing to happen to anyone. Gas water heaters use a different type of thermostat system. If the water isn t heating up the culprit could also be the thermostat. Gas water heater thermostat replacement.

The thermostat turns the heating element on and off to maintain the water temperature. No all water heater thermostats are not universal. 1 turn off the circuit breaker to the water heater. When shopping for a water heater thermostat you need to know how many elements the water.

You know when your shower spits ice cubes instead of hot water that it s time to replace the thermostat for your water heater. You step into the shower and turn on the hot water faucet all set for a nice hot shower. As the water in the tank continues to cool it will reach a point when the lower thermostat shuts off and the upper thermostat turns the upper heater on. How to test and replace a water heater thermostat.

Most manufacturers recommend changing the lower thermostat setting while leaving the upper thermostat at the factory setting. There are some variances in thermostats between single element water heaters and dual element water heaters. Instead you get only cold water. If you suspect a heating element has also gone bad see how to replace a water heater element.

Bring the cover back and turn the power on. Replace the safety cover s and access panel s. Before you change the temperature on the water heater thermostat make sure that the electrical supply to the unit is turned off. How to replace an electric water heater thermostat.