How To Light A Pilot Light On A Furnace

The pilot light on a gas furnace can go out because of drafts.

How to light a pilot light on a furnace. Any gas furnace uses a pilot light to trigger the burners to heat your home. 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. Turn the gas valve off and clean the opening with a piece of fine wire. If it still won t stay lit after several attempts you may have a faulty thermocouple.

Every furnace should have a label on it that tells you how to light a furnace. The pilot light is a small flame that is either lit manually and remains burning. You can also use a long match to light the pilot light. This one covers how to light the pilot on the gas furnace.

To relight the pilot follow the manufacturer s instructions exactly. Here we ll explain the basic steps for re lighting the pilot light of a gas furnace. If instructions for relighting the pilot are not provided follow this general procedure. For better or worse a pilot light extinguishing isn t all that uncommon as even a light breeze or draft of air is enough to kill the tiny flame.

Furnace pilot light troubleshooting. Locate the instructions label on your furnace. Light both pilot light valves. A pilot light going out can be inconvenient because it will completely cripple your furnace.

A modern gas furnace usually has an electronic spark generator to ignite the gas when the thermostat calls for heat. An older gas furnace has a standing pilot that stays on all the time or at least it s supposed to. 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 to heat the air in the combustion chamber. They are usually fastened to the furnace.

How to light a furnace pilot light. Hold the flame until the pilot light ignites and stay lit. Sometimes however the printing may be small or the furnace area may be dark. Find pilot light assembly.

This video is part of the heating and cooling series of training videos made to accompany my websites. Then light the pilot light in the small hole at the bottom of the oven. If it doesn t you may have a blocked gas line.