We don't have your coach but I suspect your Four Winds has a propane furnace with a 12volt blower like our ACE. It will run off as long as your house battery is charged if you are off grid.
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2018 ACE 27.2
Toad 2019 Jeep Cherokee Trailhawk
Roadmaster Falcon All Terrain Towbar
Roadmaster Invisibrake
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