Coleman Mach RV Comfort Thermostat
Yesterday getting the rig ready for the season and fired up the electric heat strip in the AC unit and it worked fine except that the propane furnace also came on. I have the Coleman Mach RV Comfor...
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I had an issue with my unit when I first got it where I would turn on the AC and it would come on. After a while, the furnace would kick in and both would be running. It turned out to be a screw through one of the wires in the unit but they couldnt tell where. They ran new wire from the thermostat to the AC and to the furnace to correct it.
