Please help! Toto THU460.6D-A flush valve replacement

Discussion in 'Toilet Forum discussions' started by Celeste Januszewski, Apr 3, 2021.

  1. Celeste Januszewski

    Celeste Januszewski New Member

    Joined:
    Apr 3, 2021
    Location:
    Chicago
    I had a hell of a time getting the flapper off the flush valve on a one-piece Toto CST864 toilet -- and ended up breaking off one of the pegs that holds the flapper on. Now I need to replace the whole flush valve, only to find that the tube is now replaced with a tower.
    Is this a relatively easy DIY replacement? I've not had any luck googling for a video on how to do this.
    Is it time to call the plumber?

    Thank you.
     
  2. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    The flush valves, both the flapper and the tower can be remove with a Philips head screwdriver.

    [​IMG]

    The tower that lifts and drops, with the chain attached rotates out counterclockwise from the flush valve.

    [​IMG]

    [​IMG]

    The securing blocks pivot inward for removal and inserting, and then swing out to hold the flush valve to the bowl.
    A Philips head screwdriver is all you need. The picture here doesn't show the rubber seal that sits in the groove there.

    If you're removing a flapper on an existing toilet, sometimes a box knife is good for cutting off the rubber flapper, being careful to not harm the pins.
     
    Last edited: Apr 3, 2021
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  4. Celeste Januszewski

    Celeste Januszewski New Member

    Joined:
    Apr 3, 2021
    Location:
    Chicago
    WOW! That was fast. I'll go grab my Phillips!
    THANK YOU.
     
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