38 black tank flush system diagram
Aug 25, 2020 · The diagram below depicts a typical black tank flush system. What I suspect is the breaker/check valve in your camper is defective thus not allowing water to pass through the system. To answer your question directly, the flush nozzle is installed directly into the side of the black tank. (It could be clogged...but I doubt it.) Normally when we would attach a hose, water would spray into the black tank. This was very handy for cleaning and to help add water to the tank before or after dumping. But what was happening is that the line would essentially pressurize and no water would go into the black tank. Plumbing Diagrams. Please choose a year from the menu at the left to start your search. Black tank flush system diagram