Replacing Gas Water Heater Thermocouple

How to replace a thermopile on a water heater.

Replacing gas water heater thermocouple.

Get your thermocouples here. Apply soapy water around the three fittings looking for bubbles that indicate a gas leak. Re light the pilot according to the instructions printed on it and set the temperature control valve to the desired temperature. Insulate the hot water pipes.

Replace the two piece wire connector onto the thermocouple and igniter wire securing it with the retainer clip and slide the manifold burner assembly back into the water heater. First shut off the gas valve on the water heater and the gas valve on the gas line near the heater. A new one costs about 5 to 10 and is easy to install. Then detach the thermocouple from the burner and take it with you to the home center or hardware store to ensure you buy the right replacement.

Remove burner assembly. Make sure that the gas controller is in the off position before attempting this repair. How to replace the thermocouple on a standing pilot water heater. Raise the temperature setting on the thermostat.

Unfasten the three nuts that hold the thermocouple and the two gas tubes to the valve. Step 8 reattach the manifold tube pilot tube and thermocouple to the gas control valve thermostat and tighten them using the adjustable wrench. Since almost all major brands of atmospherically vented water heaters have switched from a thermocouple to a t. Turn the gas on leading to the water heater.

Once the pilot supply tube burner supply tube and thermocouple are disconnected from the gas control valve see above simply lift and remove the burner assembly from the bottom of the water heater. You can make your job easier by shutting off the gas supply and removing the old thermocouple intact to help select a replacement model. Replacement thermocouples using universal mounting include clips and fittings that will work on most gas fired heaters and water heaters. Then unfasten the three nuts that hold the thermocouple and the two gas tubes to the valve.

Make sure that the gas is connected and the pilot light is lit. How to replace a gas water heater thermocouple with video instructions turn off the gas supply to the water heater by using the gas control valve or the main valve. Flush the heater to remove sediment from the tank. Check out the video below which shows you how to replace your thermocouple.

The thermocouple has two ends. Https amzn to 33pt1pk honeywell 24 inch. Https amzn to 2bpyq8c honeywell 36 inch.