Gas Hot Water Heater Thermocouple

When you re having trouble getting the pilot to stay lit it could be because the thermocouple needs to be replaced.

Gas hot water heater thermocouple.

Replacement thermocouples using universal mounting include clips and fittings that will work on most gas fired heaters and water heaters. In simple terms it s a short piece of tubing that runs from the gas controller to the pilot. Smith models fpsh 40 50 and fpst 50. 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.

A hot water heater that doesn t heat might just need a new thermocouple. Smith signature 50 gallon tall 6 year limited 40000 btu natural gas water heater. A water heater or furnace thermocouple is a heat sensitive probe that sends an electric signal to the gas valve whenever the pilot is lit. Whirlpool water heater tune up kit.

The thermocouple is a thermoelectric device that shuts off the gas if the pilot light goes out. Learn how to replace this inexpensive part and keep your hot water heater working for years to come. The thermocouple is part of the pilot burner assembly and connects to the gas control valve on the outside of the water heater. It is a simple device that converts the heat from a burning flame into a small electrical current allowing it to work like a switch to control the flow of gas from the gas supply valve.

Remove the burner assembly and detach the thermocouple. Smith water heater isolation valve. Directbrand hot surface water heater igniter for a o. 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.

For gas furnaces boilers water heaters room heaters the honeywell 24 in. For pricing and availability. 1 cause of pilot lights that won t stay lit is a worn out. If you have a gas water heater with a pilot light that won t stay lit it s probably due to a failed thermocouple.

By james carey morris carey. 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.