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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 5648
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have a gas furnace mobile home and I would like to know

Customer Question

I have a Coleman gas furnace for a mobile home and I would like to know what is the wiring diagram and voltage for everything that is required there are two different model numbers on it....8645-766 & A385395 the problem is that it will not turn on at all and I just replaced the upper limit switch
Submitted: 11 months ago.
Category: HVAC
Expert:  airheatman replied 11 months ago.

The furnace should have 120 volts to transformer and 24 volts out. Let me see what I can find. If you touch the R and W wires from thermostat together, will anything come on?

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