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cwobosn's avatar
cwobosn
Explorer
Jul 09, 2013

back water tank

Need some plumbing help! I am presently at a campground in MD and my black tank reads full but when I pull to open valve, nothing. I tried backflush and nothing flows out. My guess is that the gate is closed, broken wire or not connected at gate. No luck getting RV repair help. Answers range from; no, 3 days to 4 months. I thought about taking the underbelly off then somehow opening the valve so at least the black tank will continue to drain. What is the best way to attack this problem?

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