Chrome plated brass p-trap to 2" PVC

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by jaglass, Jun 3, 2007.

  1. jaglass

    jaglass New Member

    Feb 26, 2005
    We are remodeling a guest bath and replacing the vanity with an open style allowing the plumbing to be seen. I have purchased brushed nickel plated brass tail pipe and p-trap (1.25"). The existing waste line at the wall is 2" OD PVC. I am wondering what the best way is to connect the 1.25" brass to the 2"OD PVC? Thanks.
  2. Verdeboy

    Verdeboy In the Trades

    Jun 12, 2006
    You need to get a 2"-1.25" PVC reducing fitting that you glue to the 2" PVC and which has 1.25" MIP threads. You then need to use a 1.25" nut that has FIP (female iron pipe threads). You can't use the nut that comes with the p-trap, because it has the wrong threads.
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  4. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona

    Your 2" o.d. pipe, really 1 7/8", is a 1 1/2" stubout. You need a 1 1/2 x 1 1/4" trap adapter. Glue it to the pipe and then slide the trap in and tighten the slip nut which comes with the adapter. (Your trap nuts have the correct thread, you just don't have the third one you will need.)
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