How To Light An Old Wall Furnace

In this episode of repair and replace vance shows how to relight the pilot light in a standing pilot furnace.

How to light an old wall furnace.

The supply line is near the furnace and has a cutoff valve to stop the gas flow to the furnace. Switch the valve to the pilot setting. Turn the thermostat to its lowest setting. Gas wall heaters whether vented or unvented can supply enough heat to warm a small or medium sized room and they can operate with propane or natural gas.

Turn the valve to off and wait three minutes. In principle lighting a furnace pilot light is not terribly complicated. They do require maintenance as well but are much easier to maintain by homeowners. 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.

Since they have a pilot light system wall furnaces also can usually be repaired easily if something goes wrong as there are parts that allow for easy service and repair versus total replacement. If your pilot light goes out all you need to. Recently i had to re light the pilot light on an older model wall heater and decided to capture it on video. An older gas furnace has a standing pilot that stays on all the time or at least it s supposed to.

Do not attempt to do this at home in northern california pacific gas electric. Lighting the pilot light on a gas heater is simple to do. The gas valve is usually painted red with the on off and pilot settings clearly marked. But if you follow the pilot tube from the gas supply you should be able to locate the opening buried inside the heater behind a metal plate.

A modern gas furnace usually has an electronic spark generator to ignite the gas when the thermostat calls for heat. Light a gas wall heater with a long match or lighter the hardest part of this job is finding where you have to apply the flame. How to troubleshoot gas wall heaters. Light a match and hold it near the pilot opening while you press the reset button on the pilot control panel.

Here is how to light the pilot light on a gas heater. Turn off the gas to your wall furnace. Rotate the valve handle to the off position.