Adding lavatory sink 30” away from plumbing stack. Venting requirement or dirty arm over to it?

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by Lorennanse3l, Jul 19, 2020.

  1. Lorennanse3l

    Lorennanse3l New Member

    Joined:
    Jul 19, 2020
    Location:
    Lincoln, NE
    I am adding a lavatory sink 30” away from plumbing stack in my basement in newer home. Do I have to vent it? Please advise.
     
  2. Terry

    Terry Administrator Staff Member

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

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