How To Change A Hot Water Tank Thermocouple

Remove the burner assembly and detach the thermocouple.

How to change a hot water tank thermocouple. Remover the cover from the exterior of your hot water heater. 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. How to replace a water heater s thermocouple. If you re up to this diy hot water heater repair here are our tips on how to replace a hot water heater thermocouple.

Slowly pull the thermocouple holder firmly and turn the old thermocouple. How to replace a thermocouple on a water heater. The burner typically sits loosely or under clips. Turn off the gas supply.

It should be easy to get out if you use firm stress. Example tank is a bradford white. Turn off the gas supply. It s easy to replace and a new one costs 5 to 10.

The thermocouple is usually a left hand thread while the main gas line uses a right hand thread. Unfasten the three nuts that hold the thermocouple and the two gas tubes to the valve. Make sure that the gas controller is in the off position before attempting this repair. Before you begin any repairs ensure that the gas control knob is in the off position.

1 cause of pilot lights that won t stay lit is a worn out thermocouple.