T&T: Another Vacuflush problem

[Henry Dennig]

Had to resort to the pros...had the marina's "sanitation engineer" visit the
boat.  He first thought we must have a clog right at the 90 going into the
holding tank.  The hose prior had liquid in it.  Disconnected and no clog.
So he started at the closest vacuum generator and found the duckbills held
open with hard, crystals, maybe calcium but it was dark brown.  SO...he
replaced the 4 duckbills and that head is now working.
Tomorrow he is going to take the other two vacuum generators out of the boat
and clean them inside/out and replace all duckbills.
I would have never guessed that all 3 would fail on the same evening but he
thinks the pumpout loosened up some of the build-up.  Seems odd and I would
not be surprised to find a clog yet but he is fast and bends like gumby!
At least i will know all duckbills will have been changed.
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