Wall Furnace Pilot Light Keeps Going Out

A thermocouple that is dirty or malfunctioning will often shut off your gas supply in error causing the pilot light to go out and your furnace to stop working.

Wall furnace pilot light keeps going out.

If you have a furnace that was made in the early 1990 s or earlier chances are you have had to deal with the pilot light going out on your furnace at least once. Once you light the pilot you need to keep the button depressed for at least 30 seconds sometimes up to 1 minute. Your line may not be the proper diameter for your heater a line that is too large can cause low pressure at the appliance. Pilot goes out the heater won t operate properly if the pilot flickers is too weak or goes out and the cause could also be blockages in the pilot tube.

It is positioned very close to the flame and when lit the pilot light tells the thermocouple to keep the gas line open. This would cause a low pressure and so the pilot light may not get a steady flow. Why does the pilot light on my furnace keep going out. Your line could have a kink in it causing the same effect as 1.

Well if your gas furnace pilot light won t stay lit it s usually due to 1 of these 4 issues. This is the pilot flame that provides the heat. 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. Keep every intake air register in your home open and clear to avoid a vacuum effect in the inlet.

Don t worry we ll explain them in detail and show you what you can do to get your heat back. If your pilot light re lights easily after going out overnight it s possible it was blown out by a draft. But once i let go of the button the pilot immediately goes out. My furnace pilot light will not stay lit.

A leak in the output duct of the furnace could cause air to blow into the area. Either the thermocouple is going bad or it is dirty and needs to be cleaned. The number one reason why the pilot light keeps going out is the thermocouple. Your pilot light may not be properly.

Does my thermocouple need repl. Thermocouples work by producing a small amount of voltage when it is heated. A pilot light going out can be an annoying issue to deal with in the cold weather. Another cause of a weak pilot is a faulty.

You could be low on gas.