
Features
•
Two-piece design.
•
Elongated bowl offers added room and comfort.
•
Comfort Height® feature offers chair-height seating that
makes sitting down and standing up easier for most adults.
•
1.28 gpf (4.8 lpf).
•
Left-hand Polished Chrome trip lever.
•
Combination consists of the K-4467 tank and the K-4373
bowl.
Technology
•
Single-flush gravity uses the force of gravity and a precisionengineered tank, bowl, and trapway to create a strong siphon
during flushing.
•
Class Five® flushing technology offers virtually plug-free
performance and rinsing power for a clean bowl.
Installation
•
10" (254 mm) rough-in.
•
Three-bolt quick-connect installation.
•
Seat and supply line sold separately.
Water Conservation & Rebates
•
Eligible for consumer rebates in some municipalities.
Recommended Products/Accessories
K-4636 Cachet® Quiet-Close™ Elongated Toilet Seat
K-5588 Purefresh® Elongated Toilet Seat
K-4108 C³®-230 Elongated bidet toilet seat
K-5420 Low-Profile Bolt Caps
K-9379 Trip Lever
1023457
1265114
K-23726 Drain treatment
Included Components
Product consists of:
4373
4467
Additional Components:
Bolt cap accessory pack
Tank accessory pack
Tank cover
Trip lever
Codes/Standards
ASME A112.19.2/CSA B45.1
DOE - Energy Policy Act 1992
EPA WaterSense
®
California Energy Commission (CEC)
ADA
ICC/ANSI A117.1
CSA B651
OBC
KOHLER® Toilets and Seats Limited
Warranty
See website for detailed warranty information.
Available Colors/Finishes
Color tiles intended for reference only.
Color Code Description
0 White
96 Biscuit
7 Black Black™
Highline® Comfort Height
®
Two-piece elongated 1.28 gpf chair height toilet
K-3889
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.
7-23-2022 02:26 - US/CA

Highline® Comfort Height
29-1/2" (749 mm)
18-1/8"
(460 mm)
Front of Bowl
3/8" NPT Supply
10" (254 mm)
4-1/2"
(114 mm)
3/4"
(19 mm)
2-3/4"
(70 mm)
31-1/4"
(794 mm)
5" (127 mm)
10-1/8"
(257 mm)
8-1/4" (210 mm)
16-5/8"
(422 mm)
8-5/8"
(219 mm)
16-1/2"
(419 mm)
L of Outlet
C
Finished Wall
Finished Floor
Do not use a
double sanitary tee.
Use a 45° double
wye fitting.
For Back-to-Back Toilet Installations
Technical Information
All product dimensions are nominal.
Toilet type: Floor-mount
Waste Outlet: Floor
Bowl shape: Elongated
Flush type: Class Five
®
Trap passageway: 2-1/8" (54 mm)
Water Consumption
Full: 1.28 gpf (4.8 lpf)
Water surface size: 11-3/8" x 8" (289 mm x 203 mm)
Rim to water
surface:
5-3/8" (137 mm)
Rough-in: 10" (254 mm)
Seat-mounting
holes:
5-1/2" (140 mm)
Notes
Install this product according to the installation
instructions.
ADA, OBC, CSA B651 compliant when
installed to the specific requirements of these
regulations.
Plumbing codes may require elongated toilets
and elongated, open-front seats in public
bathrooms.
Accessibility standards may require controls to
be located on the open side of the toilet.
®
Two-piece elongated 1.28 gpf chair height toilet
K-3889
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.
7-23-2022 02:26 - US/CA