As to rough-in, the Drake II (CST454CEFG) and Ultramax II (MS604114CEFG) will fit on 12" out of the box. They have the universal height bowl (not quite what has been called ADA height).
The original Drake is regular height. It comes in a 12" rough-in (CST744S [1.6gpf] or CST744E [1.28gpf]). If you want the Sanagloss finish on these toilets (which is standard on the "II" models above), add a "G" to the model number (so, SG or EG).
There is a 10" rough-in Original Drake that you could use on the 10.5 inch rough-in. (CST744SF.10 or CST744EF.10). The bowl is a little higher.for the 10.5 rough-in, so it counts as an "F", or Universal Height, bowl. Also, if you like the Drake II and Ultramax II, you can install similar, skirted versions that use a Toto Unifit adapter. The skirted versions of these are called the Vespin II (CST474CEFG) and the Carlyle II (MS614114CEFG), and work with the Unifit. I have a Carlyle II [that we used a 10" Unifit to install] and love it.
Here is a more-illustrated thread (see reply 3 by me) on how the Unifit works. http://www.terrylove.com/forums/show...ct-Toto-Toilet
As to the 14" rough-in, the Unifit really shines in this application; it "reaches forward" from the wall towards the flange so that the rear of the toilet sits close to the wall. This will help recover about 2" of space that otherwise would just be filled with something; the whole unit will be moved closer to the wall. There are a number of skirted units that would work, but the Vespin II ad Ultramax II are possibilities. Look at their spec sheets and allow 3/4" off the wall to the back of the toilet, plus the dimensions shown in the spec sheet, to know how far the bowl will protrude into the room. The Carlyle II doesn't dominate the space size-wise; it will appear a nice fit, as it is in our application.
As to the water supply location, you will need simply to install a 90 where it comes out of the wall, or use the Dahl Toto Skirted Toilet installation kit, which is a mini-turn ball valve and 90 in one little unit, designed exactly for the problem you have. See http://www.dahlvalve.com/brochure/Totokit.pdf In some cases, there is enough room between the wall and the base of the toilet that you can just install a small quarter-turn ball angle stop and it will fit. You could wait until you dry-fit the toilet to decide what hardware you will need to install on the water supply pipe, or you can just get the appropriate Dahl kit for your pipe size and composition and know it will work every time.
Let us know if you need more detail on anything (model numbers, installation procedures for the supply, procedures, etc.).





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