two sinks - one riser

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by cicerored, Jan 26, 2009.

  1. cicerored

    cicerored New Member

    Joined:
    Aug 21, 2008
    Location:
    Clay, New York, United States
    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?

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    Last edited by a moderator: Jan 14, 2010
  2. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    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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