galvanized to abs dwv?

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

  1. fetchmore

    fetchmore New Member

    Joined:
    Mar 7, 2007
    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

    Joined:
    Sep 25, 2006
    Occupation:
    Commercial Plumber
    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
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  4. fetchmore

    fetchmore New Member

    Joined:
    Mar 7, 2007
    thank you........use dope, tape, or both?
     
  5. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Joined:
    Sep 2, 2004
    Occupation:
    Retired Systems engineer for defense industry.
    Location:
    New England
    I think I'd use a good dose of dope.
     
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