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  7. 7'' Deep
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PrimaSink BR-3118-7 31-1/4'' x 18-1/2'' Single bowl Undermount Kitchen Sink - 18 Gauge Stainless Steel

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  • Brand
  • Sink Material - Stainless Steel
  • Installation Type - Undermount
  • Bowl Configuration - Single Bowl
  • Drain Location - Center
  • Sink Gauge
  • Min. Cabinet Size
  • Bowl Depth
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Brand Primasink
Sink Material Stainless Steel
Installation Type Undermount
Bowl Configuration Single Bowl
Drain Location Center
Sink Gauge 18 Gauge
Min. Cabinet Size 33"
Bowl Depth 7"
Documents
BR-3118-7 - Cutout Template.dxf BR-3118-7 - Cutout Template.pdf BR-3118-7 - Spec Sheet.pdf

PrimaSink 31-1/4 x 18-1/2 Single bowl Undermount Kitchen Sink - 18 Gauge Stainless Steel

The PrimaSink BR-3118-7 is a single bowl undermount kitchen sink in 18-gauge 304 stainless steel with a 31-1/4" x 18-1/2" footprint and a 7" bowl depth. Its brushed 304 surface is rust-free, hygienic and built for daily use, mounting seamlessly beneath stone, quartz or solid-surface countertops. A cutout template and mounting hardware are included.

Features

  • 18-gauge 304 stainless steel – rust-free, hygienic and durable
  • Brushed finish resists fingerprints and conceals everyday scratches
  • Single bowl configuration
  • Undermount installation for a seamless look beneath stone or quartz tops
  • Includes mounting hardware and a cutout template
  • Backed by a limited lifetime warranty
PropertyDetail
BrandPrimaSink
ModelBR-3118-7
Sink typeUndermount kitchen sink
ConfigurationSingle bowl
Material304 stainless steel
Gauge18 gauge
FinishBrushed
Overall dimensions31-1/4" L x 18-1/2" W
Bowl depth7"
Faucet holesNone (undermount)
Cutout templateIncluded
Mounting hardwareIncluded
CertificationIAPMO – ASME A112.19.3 / CSA B45.4-17
WarrantyLimited lifetime – see warranty details
  1. Confirm the countertop cutout matches the included template and minimum cabinet size before mounting.
  2. Attach the included mounting hardware and secure the sink to the underside of the countertop; support it until set.
  3. Connect the drain/strainer and disposal flange as needed; seal per the manufacturer’s instructions.
  4. Clean with mild soap and a soft cloth or stainless cleaner; wipe with the grain. Avoid steel wool and abrasive pads.

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