Class 5 Flushing System by Kohler

Discussion in 'Toilet Forum discussions' started by stebleh, Jul 3, 2007.

  1. stebleh

    stebleh New Member

    Jul 3, 2007

    I am considering buying a toilet with this flushing system. Does anyone know how well this works? Is it loud? Are there any online reviews of this system?
    Last edited by a moderator: Nov 7, 2007
  2. Terry

    Terry Administrator Staff Member

    Aug 17, 2004
    Bothell, Washington
    We reviewed the Kohler Cimarron here.
    Here is the link.

    Kohler calls it a class five, it uses a 3.25" flush valve.
    They didn't match that with the best trapway though.
    The bends at the bottom are too tight. It will plug more than other brands that use a 3" flush valve.

    The trapway is about 2-1/8".

    It could use more rinse at the back of the bowl.

    Last edited: Jul 25, 2009
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