Just bought first fifth wheel, Just above the purge valves there's an inlet valve for a hose(threaded) that says "sewer flush". Am I correct in assuming that I should hook a hose there when dumping bl...
I dump the black then fill the tank one or two more times and dump to clean it out. Close the black valve, turn on the tank flush, and just check through the toilet to keep an eye on the water level so you don't overflow.