Quote:
Originally Posted by Ranger 3/75
I have a 2019 cougar 33sab and if gets below 25 all my water lines freeze. That's with the furnace on 74 degrees. Last night it got down to 22 and the bathroom was froze again
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Have you crawled underneath and checked the coroplast underbelly the make sure it's sealed up tight. I wouldn't expect one night with temps like that to cause any problems especially since you had the heat running.