Choices are to keep it warm... or winterize...
Space heaters can work IF all plumbing will be reached by them... Some units have plumbing in a wet bay heated by the furnace - others have a sewer line outside under the coach - these wouldn't be heated by inside space heaters.... and of course you have the electric bill.
It really is simple enough to winterize... Blow out the water supply lines with compressed air... and if it will be below freezing for more than a few hours (meaning days) pour some antifreeze down the drains... probably less than 1/2 gallon total.
Nothing to 'undo' to use the unit - just go...
Should take you less than 15 min after you've done it a couple of times and only cost is the antifreeze.
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Greg
Not yet retired...
Florida (Michigan transplant)
2014 Hurricane 32A
2000 Infinity (previous)
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