Page 1
River Falls
Features
•
27" (686 mm) minimum base cabinet width.
•
Single bowl.
•
14-1/4" depth provides generous workspace.
•
Four oversized faucet holes.
•
Oversized holes allow for easy installation of faucets and
accessories.
•
Sink drain with strainer sold separately.
Material
•
KOHLER® enameled cast iron.
Installation
•
Undermount installation kit not included.
•
Undermount.
Recommended Products/Accessories
K-8801 Sink drain and strainer with tailpiece
K-8799 Sink drain and strainer basket
K-11352 Disposal Flange with Stopper
K-9000 P-Trap
1411886 Undermount sink kit 23"
K-23726 Drain treatment
K-23725 Cast iron cleaner
Included Components
Additional Components:
Cut-out template
Soaking pan
Wire rack
Codes/Standards
ASME A112.19.1/CSA B45.2
KOHLER® Enameled Cast Iron
Kitchen Sink Lifetime Limited
Warranty
See website for detailed warranty information.
Available Colors/Finishes
Color tiles intended for reference only.
Color Code Description
0 White
FF Sea Salt™
96 Biscuit
NY Dune
95 Ice™ Grey
K4 Cashmere
FT Basalt
58 Thunder™ Grey
FP Caviar
7 Black Black™
™
Undermount Utility Sink
K-6657-4U
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.
6-11-2021 05:30 - US/CA
Page 2
River Falls
4" (102 mm)
25" (635 mm)
1-1/2" OD
7" (178 mm)
2" (51 mm)
11-1/16"
(281 mm)
22"
(559 mm)
2" (51 mm)
7-7/8" (200 mm)
20-5/16"
(516 mm)
1/2" (13 mm)
14-15/16"
(379 mm)
5-1/4"
(133 mm)
2" (51 mm)
Technical Information
All product dimensions are nominal.
Bowl configuration: Single
Installation: Undermount
Min. base cabinet
width:
27" (686 mm)
Bowl area: Length: 21-1/2" (546 mm)
Width: 14-3/4" (375 mm)
Bowl depth: 14-1/4" (362 mm)
Number of deck
holes:
4
Faucet hole spacing: 4" (102 mm)
Faucet hole(s): 2-3/8" (60 mm)
Drain hole: 3-5/8" (92 mm)
Template: 1079984-7, required, included
Notes
Install this product according to the installation
instructions.
™
Undermount Utility Sink
K-6657-4U
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.
6-11-2021 05:30 - US/CA
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