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 Natural Gas fireplace wont stay lit, pilot too
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Posted - 02/22/2013 :  10:12:07 AM  Show Profile  Reply with Quote
Question for the ever expanding brain trust here...

Lately especially when windy (though it is a ventless fireplace) Our 10 year old gas fireplace goes out for no apparent reason.
Any clues for experts here???


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Posted - 02/22/2013 :  10:31:29 AM  Show Profile  Reply with Quote
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883 Posts

Posted - 02/22/2013 :  10:42:24 AM  Show Profile  Reply with Quote
Pilot may be dirty causing a weak flame.
Thermocouple or gas valve may be going bad.

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Advanced Member

10298 Posts

Posted - 02/22/2013 :  10:49:38 AM  Show Profile  Reply with Quote
Clean the thermocouple, I think it is not sensing the light so it won't let gas out. I learned this right here on GB Great place for almost any kind of question

Edited by - nutfinn on 02/22/2013 10:50:20 AM
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Big Sky Redneck
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16656 Posts

Posted - 02/22/2013 :  10:55:41 AM  Show Profile  Reply with Quote
Do you have problems with your fireplace and moisture since it's not vented? I have a ventless fireplace in the apartment over my garage adn when it runs for an hour or so the air stinks and the moisture is bad. Mine is propane and maybe this is a propane issue, I don't know.
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evileye fleagal
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3850 Posts

Posted - 02/22/2013 :  10:56:29 AM  Show Profile  Reply with Quote
yep, that sounds like the thermocouple.

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Junior Member

259 Posts

Posted - 02/22/2013 :  11:07:54 AM  Show Profile  Reply with Quote
Use emery paper to clean the thermocouple. Carbon builds up on it over time which acts as an insulator, not allowing enough heat to activate the thermocouple.

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Advanced Member

14251 Posts

Posted - 02/22/2013 :  11:11:02 AM  Show Profile  Reply with Quote
If your pilot won't stay lit unless you manually keep the gas coming by pushing down the pilot knob. then it is probably the thermocouple. If the pilot will light and burn for a few minutes before going out, then it is a different problem.

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Mr. Perfect
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50965 Posts

Posted - 02/22/2013 :  11:17:45 AM  Show Profile  Reply with Quote
Originally posted by nutfinn

Clean the thermocouple, I think it is not sensing the light so it won't let gas out. I learned this right here on GB Great place for almost any kind of question


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2446 Posts

Posted - 02/22/2013 :  11:22:02 AM  Show Profile  Reply with Quote
Wpage - Try one thing before you call someone - Take a Q-Tip and soak one end of it with Rubbing Alcohol - slide it into the barrel of the pilot light tube where the flame normally comes out 3 or 4 times - then take the other end (dry end)of that same Q-tip and do the same. I have found that a small build up of dust or residue inside the pilot barrel where it ignites can keep a pilot light from staying lit.....Learned that there tip from a Gas Man who told me he keeps a box of Q-Tips in his truck all the time for this one reason.....Let me know if it works....If so-my payment is only one 525 or 550 round box of 22LR's.....

Edited by - sigarmsp226 on 02/22/2013 11:29:14 AM
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Posted - 02/22/2013 :  11:52:22 AM  Show Profile  Reply with Quote
you are not eating enough beans
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973 Posts

Posted - 02/22/2013 :  12:47:33 PM  Show Profile  Reply with Quote
I'm staying otta this one...I only use the gas for start up only...use fire wood after gas turned off..

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