Floor Furnace Pilot Light Goes Out

If your pilot light.

Floor furnace pilot light goes out. The pilot light on a gas furnace can go out because of drafts. The pilot light on a gas furnace can go out because of drafts. Gas heater pilot light troubleshooting. Most natural gas appliances with pilot lights are designed to shut off automatically if the pilot goes out.

The pilot light is supposed to be a strong blue cone not a weak yellow flame. Thermocouples work by producing a small amount of voltage when it is heated. The pilot orifice may be full of dirt. Has a weak yellow flame instead of blue then you most likely have a dirty or restricted pilot light orifice.

Gas heaters whether they warm up air or water in a home rely on a pilot light to trigger the flame of the actual heater. The pilot light needs a strong flow of gas to make a strong steady blue flame that the thermocouple can sense. 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. Cleaning out the pilot orifice means disassembling the pilot and clearing out the debris using a needle or compressed air.

A weaker flame won t envelop the thermocouple properly. The number one reason why the pilot light keeps going out is the thermocouple either the thermocouple is going bad or it is dirty and needs to be cleaned. An older gas furnace has a standing pilot that stays on all the time or at least it s supposed to. This is the pilot flame that provides the heat.

A modern gas furnace usually has an electronic spark generator to ignite the gas when the thermostat calls for heat. Follow these directions to relight your pilot light. In addition to needing to turn on the pilot light after it goes out unexpectedly there are times that a homeowner might choose to turn off the pilot light. Stays lit for a few seconds but goes out.

For these reasons it is important to know how to relight the pilot light.