Gas Furnace Thermocouple

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.

Gas furnace thermocouple.

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. A thermocouple is a safety device that helps control the gas supply in gas heated furnaces. For a basic test attempt to turn on the pilot light again. If the thermocouple feels the heat from a pilot light it keeps the gas line open.

When it stops working the furnace s pilot light also turns off. The honeywell 24 in. 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.

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. 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. This rod is connected to your furnace s gas valve.

Always follow the manufacturer s instructions specific to your model. The element is built for reliability and long life. It contains a metal rod that is placed very close to your pilot light s flame. 4 7 out of 5 stars 80.

For gas furnaces and 30 mv systems. It is designed for gas furnaces and 30 mv systems. Free shipping on your first order shipped by amazon. Honeywell home cq100a1039 u cq100a1039 replacement thermocouple for gas furnaces boilers and water heaters 30 inch.

If you re still unsure or don t have a working pilot light test the thermocouple with a multimeter. It has a metal rod that attaches to the furnace s gas valve. 9 31 9 31 5 82 oz get it as soon as fri oct 2. If the furnace has been running wait 30 minutes for the thermocouple to cool completely.

Unscrew the nut that holds the thermocouple end. Universal gas thermocouple includes universal adapter fittings and is compatible with screw in push in or clamp type pilot burners. Shut off the gas and electrical power to the furnace.