Furnace Pilot Light Replacement

Open the cover that covers the pilot light and visually inspect inside.

Furnace pilot light replacement.

After waiting for 10 minutes use the following procedure to relight the pilot light. Push in the knob and hold it in. The pilot valve body is a box shaped device into which the main gas line will run. When my pilot light wouldn t stay lit on my furnace i asked a few plumber buddies about the symptoms and they both said it was the thermo couple.

Choose from silicon carbide and silicon nitride hot surface igniters with flat round and spiral tips. It will usually have a gas cock or valve knob that reads on pilot and off. Open the gas valve on the supply line and turn the gas control knob to pilot. Locate this gas cock or knob.

The thermocouple is a gas furnace component located near the pilot light burner. If the knob won t go in fiddle with it until it does. Turn off the gas flowing to the furnace using the shutoff valve. This needs to be done so it is not hot and is safe to open.

Go to the furnace and find the pilot valve. It is a safety device that shuts off the gas if the pilot light goes out or the electric igniter fails. Purchasing a replacement thermocouple or flame sensor purchase a replacement thermocouple or flame sensor that is compatible with your particular furnace model. First turn off the pilot light on your furnace.

Honeywell white rodgers and other manufacturers make universal replacement thermocouples usually with 30 millivolt mv ratings for standing pilot furnaces. Furnace switches gas furnace ignitors gas valves goodman furnace parts janitrol furnace parts payne furnace parts pilot and hot surface ignition controls rheem furnace parts rollout switchs ruud furnace parts sequencers thermocouples pilot generators flame sensors pilots thermostats transformers general purpose wall thermostats williams. If the pilot light won t stay lit the thermocouple may be faulty and should be adjusted or replaced. It is located near the gas burners.