Yes, 12F is a definite problem. I guess it depends upon how fast you are moving south. You can run the furnace and open cabinets but that will not take care of your dump valves which apparently become a problem to dump. Would have to then be warm enough to dump but that does not mean that they could not have worse problems. I guess if it were us, we would re-winterize.
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Cathy. Floating Cloud
"Live in the sunshine, swim the sea, drink the wild air.... "
Emerson
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