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Old 09-15-2007, 11:07 PM   #1
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Two kitchen sinks on one vent?

Hello All,

I am remodeling a kitchen, and adding a second sink to existing plumbing for a single double bowl kitchern sink.

The original double sink was in the center of the room and drained into a 2" copper line in the basement. The system is vented by a 2" copper line that runs to the outside wall of the house and up. I am replacing the original sink and also would like to add a second sink along the outside wall of the kitchen. One is dual bowl with a disposal (along the wall) and the other is a small prep sink.

My question is, can both sinks share a common vent? What I'm thinking of doing is cutting the old vent line extention and adding a second T-y for the drain line along the wall, then running that line up to the first floor. Will this be ok/ legit? I've attached a silly little graphical representation of the current and proposed plumbing (try not to laugh too hard )

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Two kitchen sinks on one vent?-plumbing.jpg  


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Old 09-30-2007, 07:36 PM   #2
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Illegal where I'm at, sorry


Fix it right the first time, so you won't have to fix it a 2nd time.

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