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Question About Coleman Furnace 8638
need to change a coleman lp furnace to natural gas...

need to change a coleman lp furnace to natural gas. Model 8638. Do I just change orifice and spring?

Asked by rick on 11/18/2014 1  Answer

ManualsOnline posted an answer 10 years ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

Bob Folmar posted an answer 10 years ago

0 change the orifice to a larger one.
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