Grey Tank won't drain, doesn't fill.
My bathroom grey tank on my 2012 Surveyor TT 301 does not drain. It also always shows empty. My sink and shower do not back up but will occasionally run slow. Took the dump valve off today and no w...
Forum Discussion
Took the dump valve off today and no water would come out if we ran water into the sink.
So does water run out when you run water into Kitchen sink?
So does water run out when you run water into Shower?
Have you drained black tank and then check if water runs out when you run water into Bathroom Sink?
Your model only has 1 black and 1 grey waste tanks. SO that bathroom sink water is going into one of them.
Otherwise........water would be running out from under trailer
