What are common problems with pilot light for natural gas furnace when it takes 3 to 4 cycles to start or light.?

Elijah Nienow asked a question: What are common problems with pilot light for natural gas furnace when it takes 3 to 4 cycles to start or light.?
Asked By: Elijah Nienow
Date created: Wed, May 5, 2021 12:21 PM

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Those who are looking for an answer to the question «What are common problems with pilot light for natural gas furnace when it takes 3 to 4 cycles to start or light.?» often ask the following questions:

⛽ How to start gas furnace pilot light?

Light the Standing Pilot . Place the lit match or ignited lighter tip at the pilot while depressing and holding the reset button or depressing the knob, as appropriate. Depress the button or knob for about 30 seconds. This maintains gas flow to the pilot until the thermocouple gets hot enough to open the main gas valve.

⛽ Pilot light won't stay lit gas furnace problems?

However, even the tiniest fluctuation of gas supply to the furnace could make the pilot go out. If the pilot light doesn’t stay lit, ask your neighbors if they’re also dealing with the gas supply. Should the problem persist, call the gas company for further investigations. 2.

⛽ Gas furnace pilot light?

A gas furnace's standing pilot, in which the flame is lit at all times, is sometimes referred to as a pilot light. No matter what you call it, the purpose is to serve as a small ignition flame for the gas burner.

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Rust and deposits,,,,,,,, Best thing to do is have it cleaned PROFESSIONALLY

What are common problems with pilot light for natural gas furnace when it takes 3 to 4 cycles to start or light.? Rust and deposits,,,,,,,, Best thing to do is have it cleaned PROFESSIONALLY

Pilot Light Is Out . On old furnaces, the standing pilot light can go out due to a strong draft, a dirty orifice in the pilot burner, or dirt in the gas tube. Or the thermocouple might be faulty, causing the gas supply to shut off. The pilot light going out is one of the most common reasons that a gas furnace fails to produce heat.

10. The Furnace Leaks when AC is Running. Water condenses on the evaporator coil in your furnace, and if it leaks onto the floor, the issue is most likely a clogged drain pan or drain line, an issue covered in our AC Troubleshooting Guide. 11. The Air Coming from the Furnace Smells Bad.

Gas issues are typically the cause of pilot light failure; common problems include: Loose Pilot Valve Wiring: The pilot valve is a small device that opens and closes to release the small burst of gas that lights your pilot and burner.

STEP 8: On an older model, you may need to relight the furnace’s pilot light. “If your furnace has a pilot light—anything less than 20 years old won’t—there are instructions in your ...

If you are able to light the pilot on the gas fired appliance but when you release the gas control from it's "LIGHT" position the pilot immediately goes out, if there was a good solid flame that was clearly touching and heating the thermocouple, that is, the thermocouple was properly positioned in the pilot flame, and if you are sure that you held the control in the LIGHT position long enough for the thermocouple to heat up normally (30 seconds is plenty), then I suspect that the ...

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. Another cause of a weak pilot is a faulty thermocouple.

A bad thermocouple will generally show signs of damage on the tube, the wire, or the connecting nuts. If the thermocouple is bad, the furnace usually refuses to ignite (since the pilot light no longer burns). Flame sensors are used in furnaces that use electronic ignition rather than a standing pilot light.

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After looking over the vent for the problems mentioned lets check the manifold pressure at the outlet of the gas valve when the furnace is first attempting to start up. That pressure will we be listed on the furnace name plate as 'manifold pressure' generally 3.5" water column for natural gas. Let me know what you find, we can go from there.

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