winterizing black tank flush with air
I've always been successful winterizing by just blowing air through my water lines. I know there is an anti-siphon valve in the black tank flush system. Will just blowing out this line clear water f...
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Unless it's full, I don't think it will do harm.
Pipes and water tubes burst with the expansion of water when it freezes in confined space.
Pipes and water tubes burst with the expansion of water when it freezes in confined space.
