Furnace operates off DC only?
I'm testing my trailer today. Thought it could use a systems check and a water leak check. Everything seems to be in order. I was surprised to find out that my furnace runs off DC and propane. I...
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One more thing, there is a sail switch that controls the propane valve on the furnace. If you are camping without hookups as I do and the batt goes below 10.5v the sail switch will not turn on the propane thus no heat. It is a safety device to eliminate an explosion caused by not enough air for the burner.
