Question about Dayton Gas Furnace Heater

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Dayton furnace fg8b07512mu11a light blinks 7 times

Pilot dont want to light

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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clyde2j2
  • 137 Answers

SOURCE: Dayton Furnace - Pilot Light Goes Out but Fan keeps running?

Pilot lighted furnaces have a thermocouple made from disasimilar metals that when heated create electricity to actuate a relay that alows the gas to flow to the furnace.

When the thermocouple gets coated with carbon from the pilot lights constant burning it acts as an insulator and keeps the thermocouple from getting enough heat to generate electricity, a very good safety factor.

What you have to do is locate the thermocouple it should be located over the pilot light, you will see a gray substance around the thermocouple it will be hard like cement, take a knife and scrape away as much of the gray material as possible then sand the themocouple with a medium sandpaper until it shines, use one of you wifes emery boards, this should solve your problem.

Posted on Feb 24, 2009

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  • 3 Answers

SOURCE: Furnace turns on lights for about 10 seconds then

Amazing how just a little bit of dust will stop these things cold. Try cleaning the pilot sensor if they have one.

Posted on Oct 18, 2009

  • 12173 Answers

SOURCE: no ignition on dayton gas furnace. how hard is it

not hard but before replacing check pilot light and thermocouple for proper function and setting if pilot light not in right position thermocouple wont open gas valve if electronic ignition check for power and proper gap on igniter also check stat for proper function

Posted on Oct 31, 2009

  • 767 Answers

SOURCE: carrier super saver furnace keeps going on and off

Sounds like the flame sensor is dirty or bad. This sits in the burner flame when the burners are running. This usually has a single white wire connected to the back of it.

Posted on Jan 03, 2010

SOURCE: I have a Dayton furnace,

Hello,They probably make a universal one that can replace the factory one.The number off the old part itself is needed to cross reference the match.

Posted on Oct 26, 2010

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1 Answer

Pilot light on my heater keeps going out an I have a hard time lighting it. It's a Royal Jet serial no. Is 55FG385412 Model FG355 help if u can


Get the pilot light sensor replaced as the burn down with use and if they are just out of spec the sensor cools and shuts off the gas flow for safety

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How to light pilot on Dayton furnace and then start furnace


If this is a standing pilot system, turn the gas valve to pilot position. push in the knob & hold while lighting pilot...keeping holding knob down for a minute... this will pick & hold the gas valve. Let go of the knob & see if the pilot stays lit, if it does, then turn the knob to on position & the furnace should start if there is a call for heat from the thermostat

Sep 15, 2011 | Dayton Gas Furnace Heater

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Carrier super saver furnace keeps going on and off


Sounds like the flame sensor is dirty or bad. This sits in the burner flame when the burners are running. This usually has a single white wire connected to the back of it.

Jan 03, 2010 | Dayton Gas Furnace Heater

1 Answer

No ignition on dayton gas furnace. how hard is it to install new gas valve on a dayton furnace


not hard but before replacing check pilot light and thermocouple for proper function and setting if pilot light not in right position thermocouple wont open gas valve if electronic ignition check for power and proper gap on igniter also check stat for proper function

Oct 31, 2009 | Dayton Gas Furnace Heater

1 Answer

Dayton Furnace - Pilot Light Goes Out but Fan keeps running?


Pilot lighted furnaces have a thermocouple made from disasimilar metals that when heated create electricity to actuate a relay that alows the gas to flow to the furnace.

When the thermocouple gets coated with carbon from the pilot lights constant burning it acts as an insulator and keeps the thermocouple from getting enough heat to generate electricity, a very good safety factor.

What you have to do is locate the thermocouple it should be located over the pilot light, you will see a gray substance around the thermocouple it will be hard like cement, take a knife and scrape away as much of the gray material as possible then sand the themocouple with a medium sandpaper until it shines, use one of you wifes emery boards, this should solve your problem.

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1 Answer

Fault Code on Dayton Gas Furnace


This happens when the furnaces tries to light to many times and doesnt succeed. If you stand in front of the furnace while it is coming on, you will be able to hear the problem. If its an electronic start, there will be a clicking sound, followed by the gas valve opening to start it. If it has a pilot light, make sure it is lit, then listen for the gas to come out, it will make a hissing sound. If no gas is coming out, first double check to see if the gas is turned on to the unit, if it is, then its possibly the gas valve. Oh, if it is electronic, and you hear gas, but dont see a glow inside the furnace, or no glow or gas, it could be the ignite. Hope this helps.

Jan 07, 2009 | Dayton Gas Furnace Heater

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