Trouble with p-trap

Discussion in 'Plumbing Forum, Professional & DIY Advice, Tips & ' started by gregnoob, Nov 5, 2009.

  1. gregnoob

    gregnoob New Member

    Messages:
    10
    Location:
    Virginia
    I am installing a new pedestal sink in my bathroom but ran into a problem with the p-trap assembly...

    I bought one of those kinds that has the 90 degree down turn that gets glued into the stub-out and then connects to the curved part of the trap by a big screw so that you can turn the orientation of the trap and then tighten. On the other end I glued a 1 1/2 to 1 1/4 adapter...

    When I poured water through the assembly, it leaked at the big screw part (see picture).

    I noticed that there in no plastic "nut" in the joint part where the leak is... Is there supposed to be? Am I supposed to do something to the joint to keep it from leaking? Am I better off just buying parts that can be simply glued together rather than mess with this "adjustable" stuff?

    Thanks!

    [​IMG]
  2. FloridaOrange

    FloridaOrange Plumbing Designer

    Messages:
    1,317
    Location:
    SW Florida
    If that is a slip on piece then yes there should be the plastic piece. If that is a screw on part (both ends) then no.
  3. Cass

    Cass Plumber

    Messages:
    5,980
    Location:
    Ohio
    Your pic is Sch. 40 PVC...I personaly would have opted for the 1 1/4" tubing trap...it makes this job less difficult... You should have a 1 1/4" Desanco at the wall and a tube trap and trap arm for the rest of the job...
  4. gregnoob

    gregnoob New Member

    Messages:
    10
    Location:
    Virginia
    Thanks... turns out that the threading looks bad (gouged) on the male end of the connection and that's where I am getting the leak. I've got to cut the assembly off and I'll probably go with the 1 1/4 Desanco on the stub out and then use the 1 1/4 tubular trap as suggested.

    Think this is the only option to get things to line up now anyway seeing I have to cut and lose length.

    Thanks all!
  5. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,607
    Location:
    Cave Creek, Arizona
    trap

    The "threading" does nothing except hold the parts together. You just need a better wrench to tighten it.
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