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To learn more about the line of STERLING bath and kitchen products
inspired by the realities of life, obtain warranty information or to order a catalog,
call 1.800.STERLING or visit us online at SterlingPlumbing.com.
04006 10/07/15M/U
© 2007 by Kohler Co.
Kohler Co., Kohler, Wisconsin 53044
Printed in U.S.A.
Large 2½"
glazed trapway.*
Sanitary guard to
prevent liquid from
getting under the tank.
Flapperless flush valve maximizes
the force of gravity for exceptional
one-flush, bulk operation.
Easy-to-use two-
button actuator to
select either 1.6-
or .8-gallon flush.
Siphonic
washdown
system allows
100% of the
water to pass
through the
rim, thoroughly
cleaning the
entire bowl.
Inspired by the realities of life.
COLOR SELECTION*
0 White
96 KOHLER Biscuit
47 KOHLER Almond
*Colors are illustrated in ink. There may be variation in color fidelity on
samples and STERLING fixtures.
Model Name Rockton
™
PB Karsten
™
PB Rockton EB Karsten EB
Model Number 402024 402025 402027 402028
Tank 402022 402023 402022 402023
Bowl 402021 402021 402026 402026
Rough-In 12"
Water Usage .8 / 1.6 gpf
Trapway* 2"
Flapperless Flush Valve 2"
Flush Action Dual Force Siphonic Washdown
Trip Lever Chrome, Two-Button Actuator
L x W
H x Bowl Height
29¾" x 13
5
/8"
29
7
/8" x 14
9
/16"
29¾" x 14¼"
29¼" x 14
9
/16"
31" x 13
5
/8"
29
7
/8" x 14
9
/16"
31" x 14¼"
29¼" x 14
9
/16"
Limited Warranty 5-Year
WaterSense
SM Labeled**
*Trapway changes from 2" at the outlet to 2½" at its largest point to provide exceptional one-flush performance.
**WaterSense labeled toilets use at least 20% less water than standard 1.6-gallon toilets while still meeting strict flushing performance guidelines.