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Old 07-30-2017, 06:43 PM   #1
woodzez
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Join Date: Jul 2017
Posts: 1
Default Tank heater switch

I just purchased a 2007 Gulfstream Vista Cruiser Class C. In the bathroom there is a rocker switch labeled tank heater. I can find no information on it in the owners manual. I assume it is for use of the plumbing during freezing weather. Can anyone shed some light on this for me? Is that indeed what it is for and is it effective in fairly cold sub freezing weather? Thank you.
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