Black tank dump plumbing replacement?
My kids got a used RV and on their maiden trip discovered the black tank dump plumbing leaks. Appears to have one or more cracks in the plumbing from the tank to the dump valve. They tried to patch ...
Forum Discussion
schlep1967 wrote:
Plumbing the two dump hose connectors together is fine but you want to keep separate valves. Otherwise you essentially only have one big combined tank. Better separate so he can drain black and then flush the hose with grey.
Honestly, if I was rebuilding from scratch, I would lean towards a single valve.
As long as you use plenty of water when flushing, it shouldn't be a big issue if they all drain together.
But if you don't fully utilize the kitchen gray tank, you effectively get more storage for the black & shower as they will back up into the kitchen gray tank.
