Lighting A Wall Furnace Pilot Light

A modern gas furnace usually has an electronic spark generator to ignite the gas when the thermostat calls for heat.

Lighting a wall furnace pilot light.

When the pilot on your wall furnace does not stay lit your furnace won t heat. Mariah shows you how to light the pilot on a wall furnace. 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. A number of reasons can cause the wall furnace to not light including a damaged thermocouple a clogged pilot.

The furnace s electronic control board activates an electric igniter that uses a high voltage spark to light the pilot. Once the burn cycle is complete both the burners and the pilot turn off. Here is how to light the pilot light on a gas heater. In this episode of repair and replace vance shows how to relight the pilot light in a standing pilot furnace.

In turn the pilot lights the gas for the burners. Turn the thermostat to its lowest setting. 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 when the thermostat signals for gas to be delivered from the gas valve to the burner it is the standing pilot that ignites the gas flowing to the burners to heat the air in the. An older gas furnace has a standing pilot that stays on all the time or at least it s supposed to.