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  1. #1
    Join Date
    Oct 2009
    Posts
    2

    Default What is this coupler in my waste line (Pics)?

    Here are two photos of the bathroom waste line. I'm not sure what this huge coupler is. I think that it might be an old dielectric union because the waste line is copper below the union and appears to be galvenized as it rises up. I could be wrong, though.

    This is a second floor bathroom on the second story of the house. I haven't removed enough of the wall to know where the waste line terminates higher up.

    Pictures below:





    Thanks a bunch.

  2. #2
    Join Date
    Jan 2009
    Location
    Taxachusetts
    Posts
    136

    Default Re: What is this coupler in my waste line (Pics)?

    It's just an old fitting they used to go from copper to cast with a lead joint. It can be switched to pvc. Copper worked better for drains and cast or galvanized was cheaper for vents not receiving water.

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