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Thread: Toto Tank Compatibility

  1. #1
    DIY Junior Member Cliveski's Avatar
    Join Date
    Sep 2009

    Question Toto Tank Compatibility

    I managed to break the tank after slipping over in the bathroom, and need to replace it. I am just renting the house so trying to find the cheaper solution. The tank is marked CST 703/704. It seems this is an older model? Are there any other Toto tanks that will fit the bowl? Bolt center spacing is 6 3/4", with a 2" flush valve. Thanks for any help...

  2. #2
    Customer Service Manager Plumbing Wholesale Peanut9199's Avatar
    Join Date
    Apr 2007
    Ontario, Canada


    The tank was a ST703 you may be able to still get one.
    I have 27 in stock.
    If you cannot get one in your area you can use a ST706 Carusoe tank it will fit.


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