Install Toto Ultramax on 14" rough-in..

Discussion in 'Toilet Forum discussions' started by justthinking, Nov 9, 2009.

  1. justthinking

    justthinking New Member

    Oct 27, 2007
    I installed the Toto Ultramax toilet last year on my master bathroom which has 14" rough-in..
    I originally thought the extra 2" wont be a problem but now I am regreting the decision..
    So, I would like to know if the Toto unfit rough-in adapter work on the Ultramax toilets..
    If not, are there any other way to bring the toilet back closer to the back wall?
  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Sep 2, 2004
    Retired Systems engineer for defense industry.
    New England
    The unifit adapter only fits on toilets that are designed for it, so no. The Unifit is PART of the can't install one designed for it without it, it isn't a generic part that can be used on any toilet.

    You have three with it as it is, buy a 14" rough-in toilet, or move the flange and piping back 2". Well, you could build a box behind the toilet, too.
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  4. Terry

    Terry Administrator Staff Member

    Aug 17, 2004
    Bothell, Washington
    Jim's right.
    It would have to be a Unifit model like the
    Only TOTO uses the Unifit, and only some of their models.

    Toto Vespin II CST474CEFG with SS114 Softclose seat.
    This bowl was installed on a 13-1/2" rough-in using the 14" Unifit adapter.
    The water shutoff can be as close as 5-1/2" to the left of center, unless it's higher off the floor, and then it can be even closer to center.
    This shutoff had been replaced with a new 1/4 turn valve with brass nipple through the wall.
    Installation was by James Love of Love Plumbing & Remodel 206-949-5683
    In some of the older Seattle homes, the old toilets had been wall mounted tank toilets.
    Those typically are 14" rough-in and need a flange repair to use standard closet bolt connections at the flange.
    Everything is on the truck for that.
    Last edited: Apr 10, 2010
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