galvanized to abs dwv?

Discussion in 'Plumbing Forum, Professional & DIY Advice, Tips & ' started by fetchmore, Mar 7, 2007.

  1. fetchmore

    fetchmore New Member

    Messages:
    2
    I need to remove the old 2" galvanized drain, trap and branch from my main stack. That will leave me with a cast iron 2" female npt. I would like to know what the best method would be for screwing in the new abs 2" male npt.
    thank you
  2. markts30

    markts30 Commercial Plumber

    Messages:
    630
    Location:
    Phoenix, AZ
    [​IMG]

    Go with PVC... (oersonal bias)
    Buy a 6" Schedule 80 nipple and cut one ond off ,,,
    Screw this nipple into the female cast iron and continue your waste using a coupling at the other end...
    The SCH80 nipple is vastly stronger than any DWV male adapter...
    Last edited by a moderator: May 3, 2007
  3. fetchmore

    fetchmore New Member

    Messages:
    2
    thank you........use dope, tape, or both?
  4. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    21,824
    Location:
    New England
    I think I'd use a good dose of dope.
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