Black Water Valve Will Not Close
It was our last TT trip of the season - all was well, I had opened and closed the black water valve at our campsite a couple of times with no issues. The last day after emptying the black water tank ...
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About 5 years after buying our TT, I found myself unable to close the black tank valve. Fortunately, it is only a foot or so up a straight pipe from the coupling, so after flushing the tank as thoroughly as I could, I put a cable grabber up there to see if I could get any debris out. Turns out that when they built the trailer and cut the hole in the tank for the drain, they just left the cut out IN the tank. I was able to grab it and drag it out, and the valve closed normally. You may find a similar "objet de art" stuck in your valve.
