Water Heater Pilot Light Thermocouple Replacement

Once you re done put it back and light your water heater.

Water heater pilot light thermocouple replacement.

Tank type gas water heaters use a pilot light to ignite the gas burner when the water in the tank needs to be heated. Reliance water heater pilot assembly 100109295 9003542005 replacement part natural gas compatible with reliance a o. The flame should be blue and steady. How to light the pilot for a gas hot water heater.

By james carey morris carey. It s easy to replace and a new one costs 5 to 10. Since almost all major brands of atmospherically vented water heaters have switched from a thermocouple to a t. The thermocouple is triggered by an electric current produced by the pilot light.

1 cause of pilot lights that won t stay lit is a worn out thermocouple. 104 plumbing plus universal pilot burner for gas appliances multiuse for gas water heater space heater fireplace furnace easy mount heavy duty long lasting pilot assembly for thermocouple 4 4 out of 5 stars 11. The thermocouple is a thermoelectric device that shuts off the gas if the pilot light goes out. A thermocouple or flame sensor is a device used to control gas flow in gas water heaters on older style heaters with standing pilot lights the device is typically called a thermocouple while on newer units with electronic ignition the same or virtually the same device is called a flame sensor for our purposes we ll refer to both devices as the thermocouple.

It s responsible for closing the gas valve when it senses the pilot light is off. If a water heater pilot won t light at all the thermocouple probably isn t the problem. If your hot water heater suddenly stops working chances are a bad thermocouple has shut off the gas to the pilot light. Remove the burner assembly and detach the thermocouple.

Replacement is an easy diy repair. How to replace a thermopile on a water heater. In simple terms it s a short piece of tubing that runs from the gas controller to the pilot. Smith and state branded tanks 4 6 out of 5 stars 101 68 10 68.

If you have a gas water heater with a pilot light that won t stay lit it s probably due to a failed thermocouple. Usually the first warning. The procedure for lighting a standing pilot always includes lighting the flame then manually holding in the gas valve to keep the flame burning and give the thermocouple time to heat up. The thermocouple is the brain of your water heater.