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Riverby 25" L x 22" W Undermount Single Bowl Kitchen Sink, Thunder Gray

Riverby 25" L x 22" W Undermount Single Bowl Kitchen Sink, Thunder Gray

Riverby 25" L x 22" W Undermount Single Bowl Kitchen Sink, Thunder Gray

Home Improvement
Kitchen Remodel & Kitchen Fixtures
Kitchen Sinks & Faucets
Kitchen Sinks
SKU: KOH21832
Part #: K-5479-5U-58

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Basket Strainer Grid Kitchen Sink Drain

Basket Strainer Grid Kitchen Sink Drain

At a Glance

Scratch Resistant

Lifetime Warranty

Heat-Resistant

Faucet Holes

Finish:

Thunder Gray

Riverby 25" L x 22" W Undermount Single Bowl Kitchen Sink K-5479-5U-58

Get $40 off your qualifying first order of $100+** with the Wayfair Credit Card! Offer ends 8/10/2026. **

$1,189.00 was~~$1,570.00~~

24% Off

Sale

or

{BOLD_AS_LOW_AS}As low as{BOLD_AFFIRM_REUSE_TITLE_SECTION_1}$58/mo.or 0% APR up to 36 months withor 0% APR up to 36 months with Affirm

About This Product

The understated beauty of this ADA-compliant Riverby sink makes it an elegant and versatile addition to the kitchen. A single bowl provides ample space to soak and wash cookware while a sloped base to a single offset drain minimizes water pooling. Crafted from enameled cast iron, this sink resists chipping, cracking, or burning for years of beauty and reliable performance.

Features

27" (686 mm) minimum base cabinet width
Single bowl
Constructed of Kohler enameled cast iron
5-1/4" Depth
Oversized holes allow for easy installation of faucets and accessories
Refer to Spec Sheets for Required and Compatible parts to complete installation

Product Dimensions

Product Dimensions

Other Dimensions

Basin: 17.25'' W X 22.25'' L X 5.25'' D
Overall Length from End to End: 25'' L
Overall Product Weight: 68.9 lb.
Overall Height from Top to Bottom: 5.88'' H
Minimum Base Cabinet Width - Side to Side: 27'' W
Overall Width from Front to Back: 22'' W

Details

Material: Cast Iron
Durability: Chip Resistant, Scratch Resistant, Heat Resistant
Number of Basins: 1
Number of Faucet Holes: 5
Accessories Included: Yes
General Features: Sound Dampening
Construction Features: Faucet Holes
Overall Shape: Rectangle

Assembly

Mounting / Installation: Undermount, Mounting / Installation Required

Warranty

Commercial Warranty: Yes
Product Warranty: Yes
Full or Limited Warranty: Limited
Warranty Length: Lifetime

Part Number

K-5479-5U-58: Finish: Thunder Gray

Documents

Specifications (pdf)

30-Day Return Policy

Not loving it? We offer returns for most items within 30 days of delivery for a refund or store credit.

Earn $59.45 in rewards, with 5% back¹, plus more exclusive perks

Customer Reviews

4.3

Rated 4.3 out of 5 stars.

4 Reviews

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Services

5 Year Protection Plan -

$201.99 ($40.40/year)