Replacing Gas Water Heater Thermocouple

Flush the heater to remove sediment from the tank.

Replacing gas water heater thermocouple.

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. First shut off the gas valve on the water heater and the gas valve on the gas line near the heater. Https amzn to 2bpyq8c honeywell 36 inch. Raise the temperature setting on the thermostat.

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. Turn the gas on leading to the water heater. Remove burner assembly. Step 8 reattach the manifold tube pilot tube and thermocouple to the gas control valve thermostat and tighten them using the adjustable wrench.

Make sure that the gas is connected and the pilot light is lit. Check out the video below which shows you how to replace your thermocouple. How to replace the thermocouple on a standing pilot 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.

Insulate the hot water pipes. Re light the pilot according to the instructions printed on it and set the temperature control valve to the desired temperature. Unfasten the three nuts that hold the thermocouple and the two gas tubes to the valve. Get your thermocouples here.

The thermocouple has two ends. 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. Replacement thermocouples using universal mounting include clips and fittings that will work on most gas fired heaters and water heaters. If your pilot light won t stay lit the thermocouple probably needs to be replaced.

Since almost all major brands of atmospherically vented water heaters have switched from a thermocouple to a t. Make sure that the gas controller is in the off position before attempting this repair. Https amzn to 33pt1pk honeywell 24 inch. Then unfasten the three nuts that hold the thermocouple and the two gas tubes to the valve.

Apply soapy water around the three fittings looking for bubbles that indicate a gas leak. Turn off the gas supply. Clean the gas burner and replace the thermocoupler a safety device that shuts off the gas automatically if the pilot flame goes out.