Sink pblm
Out for second time w 2002 montana. All of a sudden kit sink wont drain. Hooked to city water, grey tank drained. Didnt put anything sjgnuficant down drain. Took trap off, no pblm there. On tank monit...
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just guessing here but some 5th wheels have TWO grey water tanks. I'd take another look around outside closer to the kitchen are to see if you have another drain somewhere.
