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Thread: Accidental hole in 3" PVC Drain Pipe

  1. #1

    Unhappy Accidental hole in 3" PVC Drain Pipe

    I drilled a 3/16" hole in my PVC drain pipe by accident when hanging a towel rack. Should I drill out the hole to 1/2" and glue in a plug? The pipe is tight between two walls and I'm not sure if I can get two couplers in to replace the whole section of pipe.

    What's the best way to fix this? Does anybody make 1/4" plugs??

    Thanks for your help!

  2. #2
    Master Plumber Dunbar Plumbing's Avatar
    Join Date
    Apr 2005
    Northern Kentucky/Greater Cincinnati Area


    Does this 3" pipe serve as a vent from this point on above or is there another bath group?
    Read what the end of this sentence means.

  3. #3
    Plumber Cass's Avatar
    Join Date
    Nov 2005


    There are a few things you can do

    1 take a hot, almost red hot, knife or similar and melt the plastic pipe to fill / cover the hole.

    2 get a 1/4" drill and tap and thread the hole and install a plug.

    3 fill the hole with epoxy

    4 cut the pipe in 2 places about 4" on either side of the hole and install a new peice of pipe with 2 banded couplings.

  4. #4

    Smile Thank you

    Thanks, I'll go with the 1/4" tap and plug option. It seems easier for to guarantee a joint without water leak.


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