ynot1500
Member
My black-water holding tank has a Whale Gulper pump to remove the contents. During a recent trip to Port Welshpool, Victoria from Tasmania, the head contents were diverted from overboard to the holding tanks during the two days in Welshpool harbour confines. Once we were off shore we attempted to discharge the contents of the holding tank. Guess what? The pump would not draw from the black-water tank.
The problem discovered was dried effluent causing the Gulper pump valves to not seal correctly. After a thorough cleaning of the elastomeric flap valves and the surrounding seat, then re-assembly, the pump operates again.
I then discharged the contents of the tank, added about 20 litres of clean fresh water and flushed that out also.
Now to my question. Does anybody know how to stop a re-occurrence of the problem?