Gas Hot Water Heater Thermocouple

For pricing and availability.

Gas hot water heater thermocouple. Universal gas thermocouple includes universal adapter fittings and is compatible with screw in push in or clamp type pilot burners. Learn how to replace this inexpensive part and keep your hot water heater working for years to come. A hot water heater that doesn t heat might just need a new thermocouple. Directbrand hot surface water heater igniter for a o.

In simple terms it s a short piece of tubing that runs from the gas controller to the pilot. 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. 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. 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.

This signal keeps the gas valve open. Smith water heater isolation valve. The thermocouple is a thermoelectric device that shuts off the gas if the pilot light goes out. Smith signature 50 gallon tall 6 year limited 40000 btu natural gas water heater.

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

Replacement thermocouples using universal mounting include clips and fittings that will work on most gas fired heaters and water heaters. Smith models fpsh 40 50 and fpst 50. The thermocouple is part of the pilot burner assembly and connects to the gas control valve on the outside of the water heater. When you re having trouble getting the pilot to stay lit it could be because the thermocouple needs to be replaced.

By james carey morris carey. 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.