Water Heater Pilot Thermocouple Replacement

Rather than trying to unfasten the thermocouple inside the water heater s burning chamber it s easier to remove the whole burner and thermocouple assembly.

Water heater pilot thermocouple replacement.

How to replace the thermocouple on a standing pilot water heater. Pull out the water heater pilot light burner assembly. First cut off the gas supply switch off your heater and wait for the thermocouple to cool off. Since almost all major brands of atmospherically vented water heaters have switched from a thermocouple to a t.

The thermocouple will conclude that the pilot light is off and thus close the valve and cut off the gas supply. It s easy to replace and a new one costs 5 to 10. Install the new thermocouple exactly like the old water heater pilot light slide the burner assembly back in and reattach the three lines to the control valve. Buy a new one that matches the old one in size and length.

Replacement thermocouples using universal mounting include clips and fittings that will work on most gas fired heaters and water heaters. 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. 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. Remove burner assembly.

1 cause of pilot lights that won t stay lit is a worn out thermocouple. How to replace a thermopile on a water heater. Reliance water heater pilot assembly 100109295 9003542005 replacement part natural gas compatible with reliance a o. Perhaps you need a new pilot or igniter.

Pull out the old thermocouple. Mi403s8fbnh amazon links 24 honeywell thermocouple https gen. You ll have to manually bend or straighten the thermocouple back to position. Remove the burner assembly and detach the thermocouple.

How to replace a thermocouple on a water heater. Smith and state branded tanks 4 6 out of 5 stars 101 68 10 68. Example tank is a bradford white.