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I have a comfortmaker guh gas furnace. It keeps kicking off. The code is blinking 1 time. The motor will keep running and it will light then goes out after about 30 seconds. We can turn the power off and some times it will come back on and work fine for a couple of days and some times we have to leave it off for quite a while before it will work. The tech seems to think it is the pressure swithch, which has been on order for over three weeks, but even with the wire jumpered we still have the same problem. I do not have a manual so I do not know what the code is telling me. any ideas?
Thanks
Thanks