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Old 12-23-2021, 10:51 AM   #7
mtbuicknut
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Join Date: Oct 2021
Location: Malta
Posts: 10
M.O.C. #29836
Quote:
Originally Posted by jcurtis934 View Post
Actually, the flush line from the black tank isn't routed uphill from the tank as they just toss it in the bottom of the frame...so it remains full of liquid black tank contents for the first 10 feet or so. Yes, it does eventually go uphill and to it's high point under the bathroom sink or in the shower wall. When I replaced my black tank rinse fitting, I found out how much sewer juices were in that line. I removed the brass close nipple that screws into the plastic rinse fitting and put a check valve in its place.
If you put a check valve in the line, how do you winterize that section?
Thanks Rick
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Rick Starkey
2020 Montana High Country 372RD
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