Thread: Black tank wash
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Old 01-04-2016, 04:39 PM   #3
twindman
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Join Date: Apr 2006
Location: Mesa az
Posts: 2,953
M.O.C. #5651
Much reported about the backflow valve thing behind a wall or under the sink. Mine is under the bathroom sink and somehow was plugged up. I took it apart and remove the little ball in it and now has much pressure. (no backflow prevention from it now tho)
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2013 Mountaineer 362
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