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Thread: two sinks - one riser

  1. #1
    DIY Junior Member cicerored's Avatar
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    Default two sinks - one riser

    Hello again,

    I have a 1 1/2" riser roughed in in my basement for a bathroom sink. I want to connect two sinks to it: one for the bathroom, and one for a wet bar sink adjacent the bathroom (about 3 feet away).

    My question is, can I use two sanitary tees (one above the other) or do I need a double fixture cross?

    Last edited by Terry; 01-14-2010 at 06:27 PM.

  2. #2
    Forum Admin, Expert Plumber Terry's Avatar
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    With 1.5" pipe, it would be a double fixture fitting.

    You can't wet vent without increasing the pipe size to 2"

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