Furnace pilot light troubleshooting.
Floor furnace pilot light goes out.
The owner s manual provides information for adjusting the flame.
Has a weak yellow flame instead of blue then you most likely have a dirty or restricted pilot light orifice.
Gas heater pilot light troubleshooting.
A modern gas furnace usually has an electronic spark generator to ignite the gas when the thermostat calls for heat.
For these reasons it is important to know how to relight the pilot light.
One of the most common problems with aging furnaces in st.
Louis area homes is when the pilot light goes out.
If your pilot light.
You see the pilot light orifice controls the flow of gas to your pilot light.
If this pilot light ever goes out.
The pilot orifice may be full of dirt.
The process is simple and the instructions can generally be found printed on the furnace in an easily found location.
Thermocouples work by producing a small amount of voltage when it is heated.
This is the pilot flame that provides the heat.
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.
Any gas furnace uses a pilot light to trigger the burners to heat your home.
A weaker flame won t envelop the thermocouple properly.
Cleaning out the pilot orifice means disassembling the pilot and clearing out the debris using a needle or compressed air.
The pilot light needs a strong flow of gas to make a strong steady blue flame that the thermocouple can sense.
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.
Depending on the source of the problem this can either be a one time incident or something that happens over and over again.
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 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.
Sometimes pilot lights go out because the flame is set too low.
Call a service technician to repair these problems.
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.
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.
The pilot light is supposed to be a strong blue cone not a weak yellow flame.
The pilot light is a small flame that is either lit manually and remains burning.
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.