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Thread: 3" Tub drain replacement

  1. #1
    DIY Junior Member loop1's Avatar
    Join Date
    Jul 2011
    Frederick, MD

    Default 3" Tub drain replacement

    My bathtub's "drain spud" (the flanged outlet through which the water leaves the tub) is brass, ugly, and we must use a rubber stopper in it as any "mechanical stopper" is long gone from the overflow pipe. I figured I could just remove this "spud" and replace it with a chromed pop-up fitting, or if necessary replace the whole outlet/overflow assembly with a new one in chrome (to match the other chrome bath fittings). The diameter of the flanged part of the spud is THREE inches, and no pop up or complete assembly I can find anywhere has a flange as big as 3 inches. (Well, my local plumbing supplier found a Kohler chromed complete assembly, but I cannot pay the $300 price tag.) I must have one with a full 3 inch flange diameter because the porcelain under the flange is cracked or missing and a smaller flange will show these imperfections. I have spent hours on Google looking for a replacement in chrome with a 3 inch diameter flange, with no luck. Any help will be appreciated. Thanks

  2. #2
    DIY Junior Member afrancis's Avatar
    Join Date
    Nov 2011

    Default ANy luck?

    Hi Loop1

    Have you had any luck finding a 3" replacement flange? I would like to find 2 for my home as the smaller ones tend to have a space around their outter edge that holds water. My two tubs are from the late 40's and late 50's but need the 3" American Standard drain.

    Appreciate any clues to your success.

  3. #3
    Moderator & Master Plumber hj's Avatar
    Join Date
    Aug 2004
    Cave Creek, Arizona


    In both cases, the 3" strainer will NOT be generic, so even if you find a new one, it would probably NOT have the proper thread, so you may have to buy the entire drain and replace everything.
    Licensed residential and commercial plumber

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