Slow draining lav without overflow

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by Mad Plumber, Oct 14, 2009.

  1. Mad Plumber

    Mad Plumber Mad Skills

    Aug 13, 2005
    Hello Folks!

    We used your site extensively during construction of our house and found it MOST helpful!

    I think I recall some information or discussion about bathroom sinks without an overflow drain on this website. We have 3 of the obnoxious fixtures. Do you have suggestions on how to get them to drain, besides sticking a drinking straw into the drain to let the air out? I seem to recall someone saying there is a device that can be attached below the sink to basically act as an air escape (like an overflow). Can you give us any helpful information to correct this situation?

    Thanks in advance!

    Marian R
    Last edited by a moderator: Jul 21, 2016
  2. Terry

    Terry Administrator Staff Member

    Aug 17, 2004
    Bothell, Washington

    Hi Marian,
    A little late on the answer, but here is a video explaining what happens when there is no overflow on a vessel sink.
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