Quote:
Originally Posted by bartbill
Thats what I did while wintering in Parachute, CO. But I put bat (roll) insulation around the black water holding tank. While I was in there I also ran a heat tape up to the dump valve to keep it from freezing closed. The valve has frozen before and I ruined the dump seal pulling it open.
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I installed tank heaters on the forward black and grey tanks, and also added a warm air circulator that directs warm air directly on the dump valve, to avoid those issues. I just returned to the camper after being away for 3 days, with low temps around 5*F for 2 nights, and all was fine with the thermostat set at 53* while I was away.