Thermostat is Coleman Mach, made by RV products. It is a electronic, has a pc board.
Today I was testing thermostat, to control box on AC, (got trouble shooting guide from RV products) I as getting 12V to that AC from T stat? wouldn't that mean it is working and getting power from heater?
Just seems strange the heater came on twice when I tried, but then it does not come on anymore, all fuses in power box ok
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