Compatibility Chart

K-4737 C3® 125 Elongated Cleansing Seat with Side Controls
NotesDescriptionDimension
This is the recommended minimum clearance for
maneuverability and proper seat operation.
Distance from the mounting
hole and a wall, cabinet, or
other fixture
13-1/4" (337 mm)
A
The space between seat mounting holes may vary depending
on the toilet style. Verify that the holes on your toilet will
accommodate the cleansing seat.
Distance between the
mounting holes
5-1/2" (140 mm)
B
The contours of some toilet tank styles may not allow proper
clearance for cleansing seat installation.
Minimum space between the
tank and the center of the
mounting holes
1-7/8" (51 mm)
C
This cleansing seat is designed for an elongated bowl. If your
toilet bowl measurement is within this range, the seat can be
Distance from the mounting
holes to the front of the seat
18-1/4" (464 mm) to
19-5/8" (498 mm)
D
mounted flush with the rim. If your measurement is shorter
than this range, the seat will overhang the rim.
If the width of your toilet bowl is less than this dimension, the
seat will overhang the rim.
Cleansing seat width14-1/8" (359 mm)
E
Kohler Co.41194356-10-B