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...
Forum Discussion
ScottG wrote:
Yes, I just blow them out.
Our new TT doesn't seem to have any backflow device though...
Yup, just blowing is fine. Are you sure it's not hidden Scott? I always thought this was required on a new trailer equipped with BTF? Mine is behind the shower faucet assembly, really hard to get at.
Jerry
