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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dryfly wrote:
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 from it?
Thats one that I have never messed with winterizing. Its apparently draining out on mine , or have been lucky. 12 years of winterizing on my fifth wheel, and haven't had an issue with it
