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Old 10-07-2018, 03:43 PM   #12
DQDick
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Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
Quote:
Originally Posted by Gary-Alberta View Post
Has anyone experienced blow back on the black tank flush? When I am disconnecting the flush hose there is significant pressure blow back.
Took the backflow preventor out of the rig (too many issues if you don't) and replaced it with an external one on the end of my flush hose. Once I did that, no back pressure at all.
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