toto ultramax

Hi all, I have a plumber, as I definitely am not. But this does not seem easy. The rough in, not counting the baseboard, is about 11.25" The floor has radiant in-floor heating, so concrete floor. This part of the house (new concrete foundation, in-floor radiant, etc.) was remodeled about 20...

I have my eyes set on this one: "Toto Ultramax Elongated One Piece Toilet MS854114EG#01" as it seems to fulfill my requirements, but does a version of it exist with the flat sides to make it easier to clean? Do they have a dual-flush option? If not, my ideas for toilets are; 1, One-piece...