Lighting Wall Furnace Pilot

A number of things can make an old furnace pilot light go out including a strong draft a faulty thermocouple or a loss of gas.

Lighting wall furnace pilot.

A modern gas furnace usually has an electronic spark generator to ignite the gas when the thermostat calls for heat. Pilot won t light when you follow the proper procedure for lighting the pilot but it won t light the first thing to check is the gas supply. This is a very simple process and will only take a couple minutes. By contributing writer adjusting the pilot light flame on a gas furnace is the best place to start if it appears that your furnace is not getting as hot as it used to or if it seems like the flame goes out a lot.

Once the burn cycle is complete both the burners and the pilot turn off. The pilot light is typically in the bottom of the furnace near a small knob. In this hvac training video i show up close how the thermocouple pilot light and gas valve work on a water heater furnace fireplace as well as other ap. Pilot off and on if you are unable to locate this assembly or knob refer to the user manual for your furnace and try to locate a diagram that can tell you where the knob or switch is on your specific unit.

There are numerous things that may make the pilot light on your furnace to not stay lit. The furnace s electronic control board activates an electric igniter that uses a high voltage spark to light the pilot. An older gas furnace has a standing pilot that stays on all the time or at least it s supposed to. In turn the pilot lights the gas for the burners.

A gas furnace s standing pilot in which the flame is lit at all times is sometimes referred to as a pilot light but no matter what you call it its purpose is to serve as a small ignition flame for the gas burner. If you have a propane tank make sure there s gas in. An operational pilot light in your furnace means safety from the possibility of a gas leak.