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Thread: Vent Question for bar sink

  1. #1
    DIY Junior Member jdm127's Avatar
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    Default Vent Question for bar sink

    Where does a vent for a sink need to be? We have a basement bar sink that will be tied back to the main drain 7 feet away. At the tie in point to the main drain is the vent stack shared by the bathroom. See picture below. I am just wondering if the current vent stack is enough for venting the bar sink or does it need a separate vent?


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  2. #2
    Forum Admin, Expert Plumber Terry's Avatar
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    The bar sink also needs a vent.
    Venting the lav does nothing for the bar sink.

    Here is a nice link to Bert Polk's plumbing tips

    The vent is above the trap arm for the bar sink.
    Last edited by Terry; 10-08-2013 at 03:56 PM.

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