If any toilet w/ double-siphon and a air tube link to water tank has been production?

Discussion in 'Toilet Forum discussions' started by enchuan.lio, Apr 20, 2010.

  1. enchuan.lio

    enchuan.lio New Member

    Messages:
    2
    Location:
    Taiwan
    Dear Sirs,

    If any toilet w/ double-siphon and a air tube link to water tank has been production and which brand?
    Could you kindly answer my question? Thanks a lot.

    Attached Files:

  2. Terry

    Terry Administrator Staff Member

    Messages:
    15,442
    Location:
    Bothell, Washington
    The closest was the Briggs Vacuity.

    http://www.terrylove.com/forums/sho...-review-and-comments&highlight=briggs vaCUTIY

    [​IMG]
    Water in the tank, vacuum tank and bowl are at their maximum levels.
    Water level in the lower passage permits venting of air into the drain line.
    [​IMG]
    When flush lever is activated, tank water passes through the outlet into the bowl rim.
    As water rushes into the bowl from the rim, water also passes down the trap, sealing the air vent
    [​IMG]
    After a few seconds, tank is empty, valve is closed and refill begins.
    At the same time, water discharges from the vacuum tank, creating a vacuum in the upper portion of the passage way.
    This vacuum draws water from the bowl into the trapway.

    [​IMG]
    After all water has passed through the rim, air is vacuumed into the trapway.
    The vacuum tank refills, air is forced down the vacuum tube and into the lower passage.

    http://www.terrylove.com/wc/briggs/vacuity_works.htm
    Last edited: Apr 21, 2010
  3. enchuan.lio

    enchuan.lio New Member

    Messages:
    2
    Location:
    Taiwan
    Dear Terry,

    I deeply appriciate your kindly help.

    Best regards,
    En Chuan
  4. Redwood

    Redwood Master Plumber

    Messages:
    7,450
    Location:
    Connecticut
    Unfortunately the Briggs Vacuity wasn't very productive...
    It was actually a pretty bad toilet...
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