
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).
•
Right-hand Polished Chrome trip lever.
•
Combination consists of the K-4436 tank and the K-4199
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
•
Seat sold separately.
•
Standard 12" (305 mm) rough-in.
•
Three-bolt quick-connect installation.
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
1023457
1265114
K-23726 Drain treatment
Included Components
Product consists of:
4199
4436-RA
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
Highline® Classic Comfort Height
®
Two-piece elongated 1.28 gpf chair height toilet
K-3658-RA
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 02:18 - US/CA

Highline® Classic Comfort Height
Finished Floor
Finished Wall
C
L of Outlet
16-5/8"
(422 mm)
10-1/4"
(260 mm)
10-1/8"
(257 mm)
16-1/2"
(419 mm)
30-3/8"
(772 mm)
8" (203 mm)
1" 25 mm)
4-1/2" (114 mm)
12" (305 mm)
3/8" NPT Supply
Front of Bowl
19-5/8"
(498 mm)
29-1/2" (749 mm)
5" (127 mm)
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: 12" (305 mm)
Seat-mounting
holes:
5-1/2" (140 mm)
Notes
Install this product according to the installation
instructions.
For back-to-back toilet installations: Use only a
45° double wye fitting.
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-3658-RA
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 02:18 - US/CA