Gas Furnace Thermocouple

The thermocouple is a safety device on a furnace.

Gas furnace thermocouple.

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. A thermocouple is a safety device that s used to detect whether or not your furnace s pilot light is lit. Remove the furnace s access cover. If the thermocouple feels the heat from a pilot light it keeps the gas line open.

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. It has a metal rod that attaches to the furnace s gas valve. If you re still unsure or don t have a working pilot light test the thermocouple with a multimeter. It is designed for gas furnaces and 30 mv systems.

The element is built for reliability and long life. 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. If the furnace has been running wait 30 minutes for the thermocouple to cool completely. It contains a metal rod that is placed very close to your pilot light s flame.

This rod is connected to your furnace s gas valve. 4 7 out of 5 stars 80. It s a usually reliable device that works in conjunction with a standing pilot which is the little flame that like the olympic torch burns while the appliance is in operation. A thermocouple is a safety device that helps control the gas supply in gas heated furnaces.

Unscrew the nut that holds the thermocouple end. For a basic test attempt to turn on the pilot light again. Universal gas thermocouple includes universal adapter fittings and is compatible with screw in push in or clamp type pilot burners. 9 31 9 31 5 82 oz get it as soon as fri oct 2.

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. Positive positioning for quick insertion. 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. Shut off the gas and electrical power to the furnace.

The honeywell 24 in. Free shipping on your first order shipped by amazon. When it stops working the furnace s pilot light also turns off.