How Do I Light The Pilot On My Wall Furnace

The furnace s electronic control board activates an electric igniter that uses a high voltage spark to light the pilot.

How do i light the pilot on my wall furnace.

The first thing you need to do before you try to light the pilot light on your furnace is shut off the gas so there isn t any chance of causing a fire or an explosion. This is a very simple process and will only take a couple minutes. If your pilot light goes out all you need to. Most furnaces have a small valve near the bottom of the furnace that have 3 positions labeled on off and pilot.

Once the burn cycle is complete both the burners and the pilot turn off. A modern gas furnace usually has an electronic spark generator to ignite the gas when the thermostat calls for heat. The pilot light on older gas furnaces must be lit manually and stays on continually while newer models use an electronic ignition system that is safer and uses less gas as the pilot light is lit automatically only when the furnace switches on. In this episode of repair and replace vance shows how to relight the pilot light in a standing pilot 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. 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. In most cases this knob has three distinct settings. In turn the pilot lights the gas for the burners.

The pilot light on your gas furnace utilizes a small flame for the purpose of igniting the gas burner when your furnace switches on. The most common reason for this problem is because the pilot light is not on. The pilot light is typically in the bottom of the furnace near a small knob. An older gas furnace has a standing pilot that stays on all the time or at least it s supposed to.

When your furnace fails to ignite the first place to look is the pilot light. Unlike older pilot lights which have to be lighted by hand automatic pilot lights now commonly found in most home furnaces are regulated by a thermostat and only ignite when needed.