Change Water Heater Thermostat

How to test and replace a water heater thermostat.

Change water heater thermostat.

Restore power and allow the water heater to work for one hour before testing the hot water. You may need to repair your electric hot water heater. 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. Use the screwdriver and rotate the adjustment dial clockwise to the desired temperature.

You know when your shower spits ice cubes instead of hot water that it s time to replace the thermostat for your water heater. Most manufacturers recommend changing the lower thermostat setting while leaving the upper thermostat at the factory setting. Gas water heaters use a different type of thermostat system. Also in dual element water heaters there is a difference in the upper and lower thermostats.

When shopping for a water heater thermostat you need to know how many elements the water. Bring the cover back and turn the power on. The thermostat turns the heating element on and off to maintain the water temperature. 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.

You step into the shower and turn on the hot water faucet all set for a nice hot shower. Gas water heater thermostat replacement. How to replace an electric water heater thermostat. There are some variances in thermostats between single element water heaters and dual element water heaters.

Replace the safety cover s and access panel s. Once the power is off remove the cover for the full access to the thermostat. 1 turn off the circuit breaker to the water heater. Before you change the temperature on the water heater thermostat make sure that the electrical supply to the unit is turned off.

No all water heater thermostats are not universal. Instead you get only cold water. This diy repair guide explains how to replace the thermostat in an electric water heater. If you suspect a heating element has also gone bad see how to replace a water heater element.