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Flame too high Coleman model#7655856

Posted: Mon Dec 20, 2010 1:52 pm
by ktjessee
Our Coleman furnace model# 7655856 would not stay lit. Pilot would lite, but would go out immediately when switch to ON position. We replaced the gas valve(part#7956-336) and that problem is solved. Pilot light looks good, but when furnace kicks on, flame is huge, goes everywhere.
Can you tell us what we need to adjust? Is it the burner? How do we do this?
Thank you!

Re: Flame too high Coleman model#7655856

Posted: Tue Dec 21, 2010 12:50 am
by Robert
Need to call an hvac tech to check it as it could have a cracked heat exchanger with flame dancing around.



Thanks,
Robert