Blowing the lines with antifreeze.
I have a friend that is leaving his TT setting at his seasonal site all this winter. We are in MN where the temps will get to -20 F in the winter. Last year was his first year of owning a TT and he to...
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That low, probably use the water pump to fill all the lines with AF, then I would blow them out with air, and leave them dry for the winter. open all low point drains also. RV AF is supposed to go down to -35 OK, bet if there are no plans to use it during the winter, better safe.
