Bathtub overflow drain

Discussion in 'Shower & Bathtub Forum & Blog' started by npickus, Feb 2, 2008.

  1. npickus

    npickus New Member

    Messages:
    1
    Water comes in faster than my overflow drain can get rid of the water. Is this common or is it indicative of a problem with the drain?
  2. Common on all tubs
  3. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,262
    Location:
    New England
    Humm, a drain line is probably 1.5", and the supply is probably 1/2" (although under pressure). I'd expect a drain line to be able to handle most supply situations without backing up. While not using the overflow to drain, my tub drains about in half the time it takes to fill up. The overflow goes to the same place as the main drain. Anybody else?
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