vertical drains

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by Ehouse, Feb 25, 2009.

  1. Ehouse

    Ehouse New Member

    Messages:
    2
    Location:
    upstate NY
    can I connect a 2'' vertical drain to a 3" vertical drain or must it be a sanitary tee?

    Ehouse
  2. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    27,272
    Location:
    Cave Creek, Arizona
    drains

    They are parallel so we would have to know more about them. There could be many ways to connect them, the problem is to know if there is a "best" fitting, and also if there is a "prohibited" fitting.
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