Toto Aquia CST414M leak

Discussion in 'Toilet Forum discussions' started by hotmetalguy, Jun 21, 2021.

  1. hotmetalguy

    hotmetalguy New Member

    Joined:
    Jun 21, 2021
    Location:
    Seattle
    Our Toto CST414M started leaking through the ceiling of the room below. It was installed about 9 years ago. We can't tell how long it had been leaking, but not much of the ceiling seems to be affected. We pulled the toilet and discovered that the wax ring had not been properly compressed by the original installer, so it should have been leaking from the start, all over, but that was not the case. Installed new wax ring and wax ring extender, reassembled everything, and when flushed water just poured out of the ceiling below. This water now seems to be coming from the rough in connection, however. Is there some trick to assembling this particular toilet that I am missing? We can't find any information on this right angle rough in any place on the web. I have installed quite a few toilets in the past, but this one has me stumped.

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    Last edited by a moderator: Jun 21, 2021
  2. Sylvan

    Sylvan Still learning

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    Sep 23, 2004
    Occupation:
    plumbing - fire suppression - boiler inspector
    Location:
    New York
    I heard they had problems with the Toto CST414M so they discontinued making it
     
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  4. hotmetalguy

    hotmetalguy New Member

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    Jun 21, 2021
    Location:
    Seattle
    what kind of problems?
     
  5. Terry

    Terry Administrator Staff Member

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  6. hotmetalguy

    hotmetalguy New Member

    Joined:
    Jun 21, 2021
    Location:
    Seattle
    I think my leak (it was a lot of water) was between the rough in and the bowl. Does that make any sense?
     
  7. hotmetalguy

    hotmetalguy New Member

    Joined:
    Jun 21, 2021
    Location:
    Seattle
    Also, I followed the advice on the Jamie Love's Complete Toto Aquia installation instructions for this model: " I like to use some liquid soap on the rubber to help the bowl "slide" in." But when I called Toto to try and figure out what was going wrong, they said do not use the soap.
     
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