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elkay12 · 06-11-2012, 10:49 AM

Does anyone have a piping diagram of plumbing system / i have a leak on or somewhere around or on grey water tank / at about 3/4 way full mark on controls / any idea's / i have not tackled it yet

sandlapper · 01-05-2013, 06:46 AM

Do you still need those plumbing diagrams? With some digging, I may have some that will help.

John

frone · 06-10-2023, 06:12 PM

I have a similar problem on a 1993 center bath Excella. Have been thinking that it is a connection into or out of the tank. Appreciate your help very much!

CRH · 06-10-2023, 06:27 PM

frone,

Most likely the adapter that connects the dump valve
to the tank neck has cracked. Both of mine cracked at about the 20 year mark.

frone · 06-11-2023, 07:32 AM

Many thanks!! Say, did you DIY? How difficult was the job and how did you do it? Thanks again very much

CRH · 06-11-2023, 09:32 AM

PM sent

**richard5933** · 06-11-2023, 09:52 AM

I can't answer the question of where the leak is originating, but here is the thread where I replaced the dump valves on my 1994 Excella. Should give you an idea of what is behind the belly pan.

https://www.airforums.com/forums/f44...ml#post2618503

Re-Pete · 06-14-2023, 05:19 PM

Quote:

Originally Posted by elkay12

Does anyone have a piping diagram of plumbing system / i have a leak on or somewhere around or on grey water tank / at about 3/4 way full mark on controls / any idea's / i have not tackled it yet

Hi elkay, richard5933's link will probably more useful but here are some relevant pictures of our 29' "93" Excella that were taken during tear-down and including getting our tanks re-installed. It's still a work in progress so no pictures of finished plumbing, but it will look mostly the same as original. I'm providing links to three of our re-build albums on goggle Photos, so all of the pictures are relevant to the phase described by the title, but there will be a lot of not helpful pictures as well. Hopefully, something helps.

Good Luck.