bath sink p trap alignment

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  • raymondl11
    New Member
    • Jun 2010
    • 4

    #1

    bath sink p trap alignment

    What are my options in regard to a new bath sink installation (Eljer)? I found that the sink drain is two inches closer to the back wall than the old one. So a standard P trap installation does not work. The wall drain is male threaded and extends three inches from the wall. The center of the drain is 7 inches from the wall. Thus, with the P trap attached to the sink drain, the opening is nearly directly under the wall drain. I know that flex pipes are not a solution. Any ideas are much appreciated.
  • Redwood
    Journeyman
    • Feb 2009
    • 512

    #2
    cut the pipe coming out of the wall shorter or angle it to miss slightly...
    I stayed at a Holiday Inn Express last night.
    Now I can Plumb!

    For great information on the history of sanitary sewers including the use of Redwood Pipe
    Visit http://www.sewerhistory.org/
    Did you know some Redwood Pipe is still in service today.

    Comment

    • raymondl11
      New Member
      • Jun 2010
      • 4

      #3
      thanks, if I cut the wall pipe I am cutting off the male threads, how do i then reattach to the wall drain? Angle which to miss slightly?

      Comment

      • HayZee518
        Deity
        • Jul 2004
        • 8747

        #4
        use a plastic tailpiece on the sink. it's easier to cut if you need to adjust for height. the fittings on the trap are "slip joint" fittings and use a plastic compression washer.

        Comment

        • Redwood
          Journeyman
          • Feb 2009
          • 512

          #5
          Ahhh... Additional details reveal a galvanized steel drain line...
          This gives you a couple of options that vary depending on the age and condition of the pipe.

          Ideally you would unthread the nipple that extends out of the wall from the fitting inside the wall and replace it with another shorter nipple and an elbow to the slip joint...

          The reality is that the pipe snaps off in the wall and you have to cut the threads out of the fitting or, go further and deeper into the project.

          In some areas you may be able to just cut the pipe and use a Fernco trap adapter. This may or, may not be a legal fix in your area...
          I stayed at a Holiday Inn Express last night.
          Now I can Plumb!

          For great information on the history of sanitary sewers including the use of Redwood Pipe
          Visit http://www.sewerhistory.org/
          Did you know some Redwood Pipe is still in service today.

          Comment

          • raymondl11
            New Member
            • Jun 2010
            • 4

            #6
            no it's a plastic male pipe coming out of the wall, appears to be glued on to the pipe into the wall..

            Comment

            • Redwood
              Journeyman
              • Feb 2009
              • 512

              #7
              Oh then we're on ez-street...

              What color is the plastic pipe? Black or, White? Painted is not an answer...
              I stayed at a Holiday Inn Express last night.
              Now I can Plumb!

              For great information on the history of sanitary sewers including the use of Redwood Pipe
              Visit http://www.sewerhistory.org/
              Did you know some Redwood Pipe is still in service today.

              Comment

              • raymondl11
                New Member
                • Jun 2010
                • 4

                #8
                it's white or slightly beige, Iowa house built in '85.

                Comment

                • Redwood
                  Journeyman
                  • Feb 2009
                  • 512

                  #9
                  In that case it's PVC and can be redone with a few fittings, Some PVC cement & primer, and a saw...

                  Of course you have to figure out where to cut and what to add but thats the guist of it...
                  I stayed at a Holiday Inn Express last night.
                  Now I can Plumb!

                  For great information on the history of sanitary sewers including the use of Redwood Pipe
                  Visit http://www.sewerhistory.org/
                  Did you know some Redwood Pipe is still in service today.

                  Comment

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