Atwood Furnace with Flames in Exhaust
I am posting this on behalf of a friend. He has a Atwood furnace which appears to work (i.e. blows hot air out the vent). However, he notice that there are some flames coming out of the exhaust. ...
Forum Discussion
My first guess would be inadequate combustion due to air/fuel mix ratio. Often caused by cob-webs or a dead bug or two in the orifice tubing. Usually only takes a little compress air to clear. What needs cleaning is exposed just by taking off the outside vent cover to the furnace.
