My toto toliet with smaller flush valve (2"?)

Discussion in 'Toilet Forum discussions' started by michiele, Jul 18, 2009.

  1. michiele

    michiele New Member

    Jul 18, 2009
    We bought a used toto from a bathroom remodel. After looking inside the tank, I am totally confused. I thought toto toliets had the 3" flush valve, but this one has a smaller one, maybe 2". And the flush assembly (don't know what the name of it is) is just a normal one with a big black floaty, instead of a gmax one. Both the tank and bottom say toto on them, but I am wondering why it has the smaller flush valve etc, and how can I tell what model it is? Thanks so much!
  2. Terry

    Terry Administrator Staff Member

    Aug 17, 2004
    Bothell, Washington
    You can post a picture of it,
    The Toto that uses the 2" flush valves are
    CST703 CST704
    CST713 CST714
    CST723 CST724
    CST733F CST734F

    The 3" flush valves start with
    CST743 and CST744 series and then the numbers keep getting bigger.

    The Dual Flush uses a 2" Flush valve and their number start with
    CST414m, CST416M, CST464MF
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