How Do I Replace My Water Heater Thermostat?
TechXpert verified by Rob Ilie
Replacing your water heater thermostat is as simple as removing the old thermostat from the brackets and putting in the new one! Once you’ve got a new thermostat to replace the old one, start by locating the water heater breaker in the electric panel and turn it off. If there is a disconnect, pull it. Use a volt meter or voltage detector to make sure the power is turned off before doing any repairs. Now you can by remove the safety cover. The brackets that hold the old thermostat need to be moved so the old thermostat can be changed. This is a simple process, as long as you have the right tools.
Tackling Your Water Heater Thermostat
A broken water heater thermostat is a big headache. If you’ve tested your water heater and found your thermostat to be malfunctioning, it’s likely time for a replacement. Here’s what to expect if you want to grab the right tools and get to work on replacing your water heater thermostat yourself.
Replacing your water heater thermostat yourself isn’t too tricky when you take the proper precautions. First things first: be sure to shut off the power! When working with your water heater, it’s important to make sure your water heater is powered off to avoid any electrical injury.
Next, it’s time to tackle the wiring.Remove the insulation and plastic cover from your thermostat. You’ll find wires that connect the thermostat to your water heater. Take a photograph or draw up a diagram that illustrates how the various wires connect — that will help make sure you can rewire your new thermostat correctly.
Say Bye to the Brackets
Your water heater thermostat is held in place by brackets: when you remove the safety cover, you’ll see your thermostat and what’s keeping it in place. Carefully remove the old thermostat from the brackets by pushing out the brackets and gently pulling the thermostat up and out of the holders.
Out With the Old, in With the New
After removing the old thermostat, gently slide the new thermostat into place. Make sure the new thermostat is locked into the holding brackets, put the wiring back according to the picture you took, replace the safety cover, and turn back on the power so you can test your new thermostat.
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