Gas Furnace Thermocouple

When it stops working the furnace s pilot light also turns off.

Gas furnace thermocouple.

It contains a metal rod that is placed very close to your pilot light s flame. Honeywell home cq100a1039 u cq100a1039 replacement thermocouple for gas furnaces boilers and water heaters 30 inch. If you have a gas water heater gas wall heater or any other appliance with a gas burner that needs to cycle on and off there s a thermocouple in your life. If you re still unsure or don t have a working pilot light test the thermocouple with a multimeter.

A gas furnace thermocouple is in place to shut off the gas line when the pilot goes out or the flow of gas is interrupted on the way to the pilot it works as a type of sensor and if it fails your furnace will not light. If the furnace has been running wait 30 minutes for the thermocouple to cool completely. Shut off the gas and electrical power to the furnace. For gas furnaces and 30 mv systems.

If the thermocouple feels the heat from a pilot light it keeps the gas line open. A thermocouple is a safety device that helps control the gas supply in gas heated furnaces. 4 7 out of 5 stars 80. 750mv thermocouple for heat glo heatilator fireplace thermopile replacement fireplace stove accessories for fire gas stoves heat glo gas stoves oven water heater frying furnace 24 aluminum 4 4 out of 5 stars 160.

If the pilot light goes out the thermocouple senses a loss of heat and the rod covers the gas valve cutting off the fuel supply. The element is built for reliability and long life. It has a metal rod that attaches to the furnace s gas valve. Positive positioning for quick insertion.

The honeywell 24 in. It is designed for gas furnaces and 30 mv systems. Unscrew the nut that holds the thermocouple end. The thermocouple is a safety device on a furnace.

This rod is connected to your furnace s gas valve. Thermocouples are used as safety devices that will shut off equipment by shutting down the lp or natural gas fuel supply on some gas fired heating equipment such as gas fired furnaces gas fired heating boilers and gas fired water heaters. A thermocouple is a safety device that s used to detect whether or not your furnace s pilot light is lit. For a basic test attempt to turn on the pilot light again.

Free shipping on your first order shipped by amazon. Universal gas thermocouple includes universal adapter fittings and is compatible with screw in push in or clamp type pilot burners. Remove the furnace s access cover.