PVC addition

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  • This topic has 4 replies, 4 voices, and was last updated 18 years ago by racefanone.
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    • #277304
      MasterPlumbers
      Keymaster

      I am trying to add a drain line in an existing PVC drain system. I want to install a new t-fitting for the new drain in the existing system. The problem is that if I cut the existing drain line to accomodate the new fitting there’s no way to fit the new fitting in place because the fitting adds length because of it’s female connector.
      I know there must be an easy answer, please help

    • #295950
      Retired plbg1
      Participant

      There are two ways to do it. First you use a y not a t. On the pvc fitting you can cut 2 pieces of pvc pipe and glue them into fitting. Measure the pvc pipe and fitting and mark where you want to cut in and cut 1/4″ less plus are minus, use 2 fernco bands and put pipe together. You also can use a nohub y and put in the same way.



      Art retired plbg

    • #295951
      racefanone
      Participant

      Use a PVC repair coupling,that is a coupling without a stop in it.

    • #295952
      nicktheplumber
      Participant

      This is exactly what Fernco rubber couplings are made for. They allow you to cut out a section of DWV (you’ve got to measure closely), as they allow you the flexibility you need to install the new connection, even when the pipes themselves can’t move that much.

    • #295953
      racefanone
      Participant

      That is what repair couplings are made for also.

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