Really good information, Boxer44. Thanks. We put heat tape on those low point drains then insulation over that. That stopped those from freezing although we **only** got down to minus 5 F.
Which model and year, particularly year, is your Montana? Our 2003 could never handle that many heaters going at the same time. We'd be popping breakers all the time. I think the newer ones have a better electrical setup.
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