Change Water Heater Thermocouple

Re light the pilot according to the instructions printed on it and set the temperature control valve to the desired temperature.

Change water heater thermocouple.

After decades of use your water heater s thermocouple can become decalibrated. Check out the video below which shows you how to replace your thermocouple. If the flame is out the thermocouple will prevent the valve from delivering gas to the burner. Remove the burner assembly and detach the thermocouple.

Apply soapy water around the three fittings looking for bubbles that indicate a gas leak. A hot water heater that doesn t heat might just need a new thermocouple. Spare pilot water heater replacement thermocouple for old water heaters with foot indicators it is very simple to disassemble and replace the thermocouple. In simple terms it s a short piece of tubing that runs from the gas controller to the pilot.

It is a simple device that converts the heat from a burning flame into a small electrical current allowing it to work like a switch to control the flow of gas from the gas supply valve. The thermocouple is a thermoelectric device that shuts off the gas if the pilot light goes out. If you have a gas water heater with a pilot light that won t stay lit it s probably due to a failed thermocouple. The thermocouple is part of the pilot burner assembly and connects to the gas control valve on the outside of the water heater.

Learn how to replace this inexpensive part and keep your hot water heater working for years to come. 1 cause of pilot lights that won t stay lit is a worn out. Turn the gas on leading to the water heater.