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Old 04-18-2019, 12:29 PM   #1
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Join Date: Apr 2019
Location: Huntington Beach
Posts: 2
Bathroom sink drains to black water tank?

Anyone have an idea if the back bathroom sink drains to the Blackwater tank on a
2014 Kestone Hideout 27RBWE?
I can not find a good diagram and was curious.

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Old 04-18-2019, 01:05 PM   #2
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Location: SE Michigan
Posts: 1,653
My guess is probably not. I've read that very large coaches with 2 baths may have the a BR sink plumbed into the black tank. But with your floor plan, your sink is most likely part of the gray water system, just like your shower pan.

Definitely speaking, run the sink while the gray tank is shut and see.

2017 Keystone Bullet 308BHS in Saddle.
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Old 04-18-2019, 01:32 PM   #3
WNY Bullet
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Location: Rochester, NY
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My 26RBPR's rear bath layout drains to the black tank.

It's easy to test: After draining all your tanks, only run the bathroom sink and see which tanks starts filling.
Mike & Barb
2015 Keystone Bullet Premier 26RBPR
2017 Chevy Silverado LT Z71

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black water tank, drain, sink, tank, water

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