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Old December 12th, 2012, 07:27 PM   #1
chris1044
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Fireplace gas log ??

Finally getting around to messing with the gas log burner currently in the fireplace...it's natural gas, vented.

Vent's open, gas is on, I get the pilot lit and the go to on...pilot stays lit and I can hear the gas flow increase (substantially..pretty f'n loud), but it won't light.

Question is this: Burner doesn't have any sand/rocks/or logs...do I need the sand to properly dissipate the gas to burn, or should I take the f'n regulator apart and make sure everything is clean?

Tried google, after two minutes of reading crap I've decided to consult the GL4x4 experts...
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Old December 12th, 2012, 07:35 PM   #2
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The house wasn't previously propane was it? Sound to me like a bad air/fuel ratio. I'd guess you're regulators plugged up.
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Old December 12th, 2012, 07:38 PM   #3
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Never propane...I have good flow coming through it, just seems like 1) there's too much flow or 2) the pilot is in the wrong location for adequate gas lighting (wouldn't surprise me if PO rigged it...). If I let it sit for a few seconds, there's eventually a nice puff of fire when the excessive gas finally catches lol
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Old December 12th, 2012, 08:12 PM   #4
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I'd call a Fireplace guy, have them check it out, and set it up correctly. Last thing you want to do it burn down your house because you wanted to do it yourself instead of paying a guy 150.00 who lives and breathes fireplaces.
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Old December 12th, 2012, 08:50 PM   #5
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You may have an adjustable vent just before the burner. If it is all the way closed it maybe why it won't light right away. Or a fixed vent that is clogged with spider shit and such. If sand was used as a diffuser you may have sand clogging it up too. Or the pilot light is simply bent out of position. You really should have some sort of diffuser media for the gas.
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Old December 13th, 2012, 05:43 PM   #6
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Quote:
Originally Posted by Immortal View Post
You may have an adjustable vent just before the burner. If it is all the way closed it maybe why it won't light right away. Or a fixed vent that is clogged with spider shit and such. If sand was used as a diffuser you may have sand clogging it up too. Or the pilot light is simply bent out of position. You really should have some sort of diffuser media for the gas.
Thanks for confirming what I thought...I'll pull it apart and clean it and get diffuser media.
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Old December 13th, 2012, 05:53 PM   #7
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Also if the thermopile isn't getting hot enough, it won't allow the full gas (any actually) through the ports. Thermocouple has to warm for pilot to stay lit and thermopile has to heat quickly or it cuts gas to ports. Try holding a small torch to holes to see if gas lights. Or warming up the couple/pile to see if it helps. Could be the pilot assembly got bumped and isn't closely adjacent to the orifices.
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