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Thread: Need help connecting new tailpiece to old DWV

  1. #1

    Default Need help connecting new tailpiece to old DWV

    I'm a novice nearing the completion of my complete bathroom remodel. My problem is with my sink drain tailpiece. I'll try to attach a photo, but here is my description of the problem. I purchased a 1.25" nickel p-trap and tailpiece from Lowes to have on display underneath my new pedestal sink. Not knowing what I was doing, I assumed that I could just connect this to the existing tailpiece, also 1.25", which is old and ugly. I had a plumber at the house a couple of days ago to replace my busted toilet closet flange, and I asked him about it. He told me to use a "repair trap," and was kind enough to show me what the piece was. My problem is that I can't find one in brushed nickel. If someone knows of somewhere online that I can get one it would be a big help. I bought a steel one from the store and a considering spray painting it, but I don't know how good it will look.

    Alternatively, I could replace the whole tailpiece with the one that came with the drain from Lowe's. Herein lies a bigger challenge. The drain inside the wall is 1.5" steel. The 1.25" tailpiece connects to a 90 degree elbow somehow, which I didn't really take any notice of. I have a photo that shows all of the sink plumbing, and I hoping someone can tell me how to use my new tailpiece with the existing in-wall drain. I've already put new drywall up and painted, so ripping it down to replace the elbow or anything like that is just about the last thing I want to do. The current tailpiece seems to be in there pretty tightly. In the photo, there is a "repair" piece on the straight tailpiece. Please let me know if anything is unclear.

    PS This forum has been a tremendous help throughout my project, though this is the first time I've needed to post. Thanks
    Towson, MD
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    Last edited by rmccully; 08-10-2006 at 01:25 PM.

  2. #2
    Moderator & Master Plumber hj's Avatar
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    Aug 2004
    Cave Creek, Arizona

    Default tailpiece

    The old trap elbow is soldered into a brass bushing. You have to remove it from the bushing and then cut the bushing out. It would have been a lot easier if it had been done at the time the picture was taken, but a plumber could still do it now, assuming the pedestal lavatory is not already in place.

  3. #3


    If that elbow in the picture is still useable and not corroded, why not get a 1 1/2 " p trap and try to hook it up to the drain as-is. Since most lavatory pop-up drains are 1 1/4", you'll need a 1 1/4"-1 1/2" reducing nut. You may need additional pieces to make it work--hard to tell until you start piecing everything together.
    Last edited by Verdeboy; 08-10-2006 at 10:41 PM.


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