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Sink drains to black tank?
While researching a black tank valve problem, I notice a 3 inch and a 1 1/2 inch pipe entering the black tank. Tested it and the bathroom sink does indeed drain into the black tank. Is this normal?
At least there isn't much water from the sink, but still???!!!!
Anyone have same setup?
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Tom and Gail
2013 Mountaineer 362
2012 Silverado 2500
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