Gas Water Heater Thermocouple Replacement

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.

Gas water heater thermocouple replacement.

If the thermocouple is working you should be able to measure 30 to 40 millivolts of voltage at the connection end of the tube when the pilot flame is on. A new one costs about 5 to 10 and is easy to install. How to replace the thermocouple on a standing pilot water heater. Universal replacement thermocouple model tc18 7 95 7 95.

A gas water heater in boise baton rouge buffalo or boston uses a thermocouple that includes a probe attached to a copper tube that screws into a port on the gas valve. 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. Heating element pressure relief valve rheem water heater accessories gas valve water heater accessories treater smokers hotwire. White rodgers 18 in.

The thermocouple has two ends. Replacement thermocouples using universal mounting include clips and fittings that will work on most gas fired heaters and water heaters. First shut off the gas valve on the water heater and the gas valve on the gas line near the heater. Directbrand hot surface water heater igniter for a o.

For example sid harvey s dyna couple universal mounting thermocouple sold in lengths from 18 to 48 will replace honeywell robertshaw penn baso white rodgers and other thermocouples. 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. Step 8 reattach the manifold tube pilot tube and thermocouple to the gas control valve thermostat and tighten them using the adjustable wrench. Unfasten the three nuts that hold the thermocouple and the two gas tubes to the valve.

Turn off the gas supply. If your pilot light won t stay lit the thermocouple probably needs to be replaced. Then unfasten the three nuts that hold the thermocouple and the two gas tubes to the valve.