Dimensions Guide

For Back-to-Back Toilet Installations
Notes
Technical Information
Install this product according to the installation
instructions.
All product dimensions are nominal.
Two-piece, Floor-mountToilet type:
The rough-in must be 12" (305 mm) or more from
the base of the wall or baseboard. Install or
FloorWaste Outlet:
Elongated frontBowl shape:
relocate the supply and outlet as necessary to
conform to rough-in dimensions.
2" (51 mm)Trap passageway:
Water Consumption
If this toilet is installed in new construction, install
a new supply stop following the dimensions in
the diagram.
1.6 gpf (6 lpf)Full:
1 gpf (3.8 lpf)Reduced:
In installations with the supply stop installed, the
existing supply stop may need to be relocated if
4-1/2" x 5-3/4" (114 mm x 146 mm)Water surface size:
8-1/2" (216 mm)Rim to water surface:
it is less than 8-1/2" (216 mm) from the centerline
12Rough-in:
of the toilet. Dry fit the toilet to confirm if the
supply stop needs to be relocated.
5-1/2" (140 mm)Seat-mounting holes:
The supplied hose will extend roughly 6" (152
mm) from the toilet. If the supplied hose does not
reach the supply stop, a longer supply hose may
be used.
For back-to-back toilet installations: Use only a
45° double wye fitting.
1-800-4KOHLER (1-800-456-4537)
Kohler Co. reserves the right to make revisions without notice to product specifications.
For the most current Specification Sheet, go to www.kohler.com.
9-28-2018 12:59
Persuade
®
Curv
Dual Flush Toilet
K-6355