Floor Furnace Pilot Light Goes Out

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

Floor furnace pilot light goes out.

Furnace pilot light troubleshooting. Gas heater pilot light troubleshooting. Today we re going to talk about some of the most common reasons that a gas furnace pilot light would go out and what you should do if it happens to you. The pilot light needs a strong flow of gas to make a strong steady blue flame that the thermocouple can sense.

Call a service technician to repair these problems. Louis area homes is when the pilot light goes out. 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. If your pilot light.

A weaker flame won t envelop the thermocouple properly. This is the pilot flame that provides the heat. The pilot light is a small flame that is either lit manually and remains burning. Once you light the pilot you need to keep the button depressed for at least 30 seconds sometimes up to 1 minute.

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. The owner s manual provides information for adjusting the flame. Thermocouples work by producing a small amount of voltage when it is heated. The pilot orifice may be full of dirt.

Stays lit for a few seconds but goes out. A note about furnaces with standing pilot lights if you are trying to light a standing pilot light on an old furnace but it keeps going out make sure you are holding the pilot button long enough. An older gas furnace has a standing pilot that stays on all the time or at least it s supposed to. You see the pilot light orifice controls the flow of gas to your pilot light.

Any gas furnace uses a pilot light to trigger the burners to heat your home. 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. One of the most common problems with aging furnaces in st. Sometimes pilot lights go out because the flame is set too low.

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. Other problems like low gas pressure a loose or faulty thermocouple or a gas control valve that s not working right can also cause the pilot light to keep going out. Depending on the source of the problem this can either be a one time incident or something that happens over and over again. For these reasons it is important to know how to relight the pilot light.

The pilot light is supposed to be a strong blue cone not a weak yellow flame. Cleaning out the pilot orifice means disassembling the pilot and clearing out the debris using a needle or compressed air.