I have a gmpm100-4 furnace. The problem indicator light blinks three times. It suggest a pressure valve is not closing. Question, what is the pressure valve and where is it located? Please advise, thanks!

Asked by Richard on 01/20/2011 1  Answer

ManualsOnline posted an answer 13 years, 3 months ago

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

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