[HELP] Installing toto washlet on existing toto aquia II toilet

Discussion in 'Toilet Forum discussions' started by stone, Mar 8, 2012.

  1. stone

    stone New Member

    Mar 8, 2012
    My plumber and I are trying to install a TOTO SW554-01 Washlet S300 on a TOTO CST416M Aquia II Toilet
    It seems to be impossible. Because the Toto Aquia skirt wraps around and hides the connections where the junction valve from the washlet should be. Now we are stuck.

    Is there an extension to connect the junction valve for the washlet to the water supply and goes to the toilet.
    If so, does the junction valve just "hang" only connected to two water supply hoses?

    any tips or help greatly appreciated!
  2. Terry

    Terry Administrator Staff Member

    Aug 17, 2004
    Bothell, Washington
    It's a THU9090 Washlet adapter extension.
    Basically, it's an extension from the tank that allows the tee valve to be out in the open. The tee threads onto the end of the extension, and the supply to the bottom of the tee.
    Last edited: Mar 8, 2012
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  4. stone

    stone New Member

    Mar 8, 2012
    Fount it! thanks, Terry.
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