Riverby - 33" undermount double-bowl kitchen sink - K-8669-5UA1

Sep 27, 2026

Riverby 33" undermount double-bowl kitchen sink K-8669-5UA1 specification sheet details key installation and performance features. It covers large and medium bowl layout with 9" depth, five oversized faucet holes, undermount mounting, offset drains for workspace, and included components such as sink racks and hardware with a required cutout template. Technical information specifies basin configuration (large bowl left), nominal dimensions, deck holes, faucet and drain openings, and relevant certifications and warranty terms.

LanguageEnglish

CategoryHealthcare

FormatPDF

Pages2

Reading Time5 min

AccessFree to download

Features

Installation

Recommended Products/Accessories

Codes/Standards

Available Colors/Finishes

Technical Information

Notes

Riverby® 33" undermount double-bowl kitchen sink K-8669-5UA1 Features • 36" minimum base cabinet width • Large/medium bowls • 9" (229 mm) depth provides generous workspace • Five oversized faucet holes • Oversized holes allow for easy installation of faucets and accessories • Bowl slopes toward drain to minimize water pooling • Offset drains increase workspace in the sink and storage space underneath • Box includes: Sink, two sink racks, installation hardware, cutout template • Sink drain with strainer sold separately Material • KOHLER® enameled cast iron • Acid-resistant enamel finish Installation • Undermount Recommended Products/Accessories K-8801 Sink drain and strainer with tailpiece K-8799 Sink drain and strainer basket K-23726 Drain treatment K-23725 Cast iron cleaner K-35007 Bifold multipurpose rack K-35000 Three-piece workstation sink accessory set K-35001 Maple wood cutting board K-35002 Ice bucket holder K-35003 Workstation sink cover K-35004 HDPE cutting board K-35005 Marble serving tray K-35487 Three-piece ice bucket set K-35484 Three-piece workstation sink prep bowl set Optional Products/Accessories K-11352 Disposal Flange with Stopper K-9000 P-Trap Included Components K-6255 Right-Bowl Sink Rack K-9234 Left-Bowl Sink Rack Codes/Standards ASME A112 .19. 1/CSA B45 .2 IAPMO Certification KOHLER® Enameled Cast Iron Kitchen and Bathroom 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 58 Thunder ™ Grey 7 Black Black ™ TRF Truffle 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](www.kohler.com) USA or [www.kohler.ca](www.kohler.ca) Canada 12-31-2024 22:10-US/CA Riverby® 33" undermount double-bowl kitchen sink K-8669-5UA1 8" (203 (178 mm) ~~ 33~~"~~ (838 ~~mm~~) ~~ 9-13/16"(249 mm) Technical Information All product dimensions are nominal. Basin configuration: Large Bowl on Left Center(s): 8" (203 mm) Min. base cabinet 36" (914 mm) width: Bowl area (Basin Length: 17-9/16" (446 mm) \#1): Width: 15-13/16" (402 mm) Bowl depth: 9" (229 mm) Water depth: 9" (229 mm) Bowl area (Basin Length: 11-1/16" (281 mm) \#2): Width: 15-13/16" (402 mm) Bowl depth: 9" (229 mm) Water depth: 9" (229 mm) Number of deck 5 holes: Faucet hole(s): 2-3/8" (60 mm) Drain hole: 3-7/8" (98 mm) Template: Undermount, 1166727-7, required, included Notes Install this product according to the installation instructions. NOTICE: Countertop manufacturer or cutter must use the cut-out template provided with the product, or a current one provided by Kohler Co. (call 1-800-4KOHLER) . [Kohler Co. is](Kohler Co. is) not responsible for cutout errors when the incorrect cut-out template is used. 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](www.kohler.com) USA or [www.kohler.ca](www.kohler.ca) Canada 12-31-2024 22:10-US/CA

FAQs

What is included in the box with the Riverby K-8669-5UA1 sink?

The box includes the sink, two sink racks, installation hardware, and a cutout template.

What mounting type and drain configuration does the sink use?

It uses an undermount installation and includes offset drains to increase workspace in the sink and storage space underneath.

What are the key dimensional specifications for the basin and deck holes?

The sink has a 9" (229 mm) depth and five deck holes, with faucet holes sized at 2-3/8" (60 mm) and a drain hole sized at 3-7/8" (98 mm).

Which materials and certifications apply to this sink?

It is made from KOHLER enameled cast iron with an acid-resistant enamel finish, and it is listed with ASME A112.19.1/CSA B45.2 certification.

Sep 27, 2026

Uploaded by Rainbow Cat