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bathroom sink -> black tank

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breal14

RVF Regular
Joined
Jan 9, 2025
Messages
70
Location
New England
RV Year
2004
RV Make
Four Winds by Thor
RV Model
Chateau 24T sport
RV Length
24
Chassis
E450
Engine
V10 Triton
Fulltimer
No
So in flushing my system from winter, and just running my bathroom sink, i go to dump the grey and it's empty. This really shocked me.
My sink in the bathroom goes to the black tank.

The shower and kitchen sink go to grey.

Is this normal?
 
Yes on some models. My Winnebago does that. Some units have 2 gray and call one galley as well.
 

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