If you are not camping and the heat isn't on, get an air chuck for your city water inlet and a compressor and blow out lines by opening the taps one at a time and also the toilet. Use your hot water heater bypass and shut it off and drain your hot water tank. If you run propane, it will not last all that long so if you have a way to plug into a 30A RV outlet, run a small ceramic heater that senses the temp and kicks on when needed to keep the camper above freezing at night and leave the doors on cabinets with pee traps open. I pour some anti-freeze into the pee traps when I am not going to use the camper for a month in the winter. We get some freezes here in the Hill Country and I expect these things will work for you as well.
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wiredgeorge Mico TX
2006 F350 CC 4WD 6.0L
2002 Keystone Cougar 278
2006 GL1800 Roadsmith Trike
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