Oh No!?!,,?
Well, I went out to empty the black and gray tanks. I first pulled on the black tank handle and nothing happened. No big gash on liquid and solids draining. I felt the hose and could feel a trickle of...
Forum Discussion
I had this problem several years ago. The black tank would drain but very, very slowly.
I bought a secondary valve like THIS. I drained the black and filled the gray and then installed the secondary valve. With the secondary closed I opened both tanks. The water from the full gray back flushed the black tank and cleared the clog.
I bought a secondary valve like THIS. I drained the black and filled the gray and then installed the secondary valve. With the secondary closed I opened both tanks. The water from the full gray back flushed the black tank and cleared the clog.
