American Standard 18SB.9231800S.075

American Standard

Portsmouth 23-3/8" Single Bowl Stainless Steel Undermount Kitchen Sink with Drain

$533.00 Save $130.58

select Finish: Stainless Steel


A refreshing blend of iconic style and modern functionality, the Portsmouth 23-3/8" single bowl stainless steel undermount kitchen sink fits brilliantly with any kitchen decor and pairs handsomely with a variety of faucets. The undermount installation and subtle curves makes the sink easy to clean and easy to use. For your convenience, the sink comes complete with installation hardware, cutout template, and waste fitting. With durable 18-gauge stainless steel, Portsmouth is made to last and has an optional grid available for added protection. Portsmouth also comes equipped with bottom and side sound pads, as well as full spray insulation to keep noise and vibrations at a minimum.
  • Dimensions: 23-3/8" wide x 17-3/4" long (front to back) x 9" high
  • Bowl dimensions: 21-3/8" wide x 16" long (front to back) x 9" high
  • Material: 18-gauge stainless steel
  • Undermount design for a seamless appearance
  • Equipped with SoundSecure+ rubber sound pads on the bottom and sides of your sink for extra protection against unwanted noise and vibration
  • Features StoneLock multi-layer spray insulation to help with sound absorption and to minimize condensation on the underside of your sink
  • 3-1/2" center drain opening
  • Includes a 9028000.075 drain, installation hardware, cutout, and instructions
  • Minimum cabinet size: 30"
  • Bottom grids for extra scratch protection are sold separately (8447.311800.075)
Size 23-3/8x17-3/4 IN
Depth 9 IN
Number of bowls 1
Product type With Drain
Finish Stainless Steel
Mounting Undermount
Shape Rectangle
Material Stainless Steel
Gauge 18
Bowl dimensions 21-3/8x16x9 IN
Drain size 3-1/2 IN
Drain location Center
Minimum cabinet size 30 IN
Length 17-3/4 IN
Width 23-3/8 IN
Height 9 IN
Bowl width 21-3/8 IN
Bowl length 16 IN
Includes Undermount Sink Clips, Cutout Template and Instructions
Style Traditional
Color family Stainless Steel
Collection Portsmouth
Brand American Standard
American Standard has been creating healthy, responsible, and beautifully designed bathroom and kitchen products for more than 140 years. By embracing practical utility and innovation, they've created easy-to-install faucets, self-cleaning toilets, and freestanding bathtubs designed with affordable luxury in mind. American Standard has consistently put product design and dependability first, making them a brand known and trusted by plumbing professionals. For this reason, Riverbend Home is proud to offer a wide selection of American Standard products to our residential and commercial customers. American Standard offers a broad range of bath and kitchen products that are designed to marry style and function with innovative solutions, creating products that simply make life easier. At American Standard, innovation never stops and ingenuity never ceases. Riverbend Home is an authorized reseller.