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PrimaSink 16 x 11 Rectangular Undermount Vanity Sink - Biscuit

The PrimaSink PS-1611B is a rectangular undermount vanity sink in glossy biscuit vitreous china, with a 16" x 11" bowl and an 18" x 13" footprint. Its high-fired, acid- and alkali-resistant glaze wipes clean and pairs naturally with stone, quartz, and solid-surface countertops. A built-in overflow and center drain complete the basin, and a cutout template is included.

Features

  • Premium vitreous china with a high-fired, acid- and alkali-resistant glaze for easy cleaning
  • Undermount installation for a seamless, rimless look beneath stone or quartz tops
  • Built-in overflow helps prevent water from spilling over the rim
  • Center drain with a 1-1/4" opening; pairs with a standard pop-up drain (sold separately)
  • No faucet holes – use with any deck- or wall-mounted faucet
  • Fits a minimum 18" base cabinet; cutout template included
  • IAPMO certified to ASME A112.19.2-2018 / CSA B45.1-18; backed by a limited lifetime warranty
PropertyDetail
BrandPrimaSink
ModelPS-1611B
Sink typeUndermount vanity sink
ShapeRectangular
MaterialVitreous china (glazed ceramic)
Finish / ColorGlossy biscuit
Overall dimensions18" L x 13" W
Bowl dimensions16" L x 11" W
Bowl depth7-1/16"
DrainCenter, 1-1/4" OD
OverflowYes
Faucet holesNone (undermount)
Minimum cabinet size18"
Cutout templateIncluded
CertificationIAPMO – ASME A112.19.2-2018 / CSA B45.1-18
WarrantyLimited lifetime – see warranty details
  1. Use the included template to confirm the countertop cutout before mounting.
  2. Secure with undermount clips and/or adhesive rated for your countertop material; support the basin until it fully cures.
  3. Fit a standard 1-1/4" pop-up drain using the gasket or plumber’s putty from your drain kit – do not overtighten.
  4. Clean with mild soap and a soft cloth. Avoid abrasive pads and harsh chemicals to preserve the glaze.

Professional installation is recommended for undermount sinks. For full coverage terms, see the PrimaSink Limited Warranty.