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Why you’ll love it

RestaurantSupply.com is your trusted source for John Boos underbar sink units.

  • Authorized John Boos dealer, ensuring genuine commercial restaurant equipment and manufacturer support
  • Fast shipping available on in-stock John Boos UBS3C-2148-2D18-X underbar sink units
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

John Boos UBS3C-2148-2D18-X 48 Inch Underbar Corner Sink Unit Stainless Steel with 3 Compartment

John Boos  |  MFG #: UBS3C-2148-2D18-X  |  Item #: 550987
Item: #550987

Technical details
Manufacturer John Boos
Model Number UBS3C-2148-2D18-X
Manufacturer Part # UBS3C-2148-2D18-X
Sink Compartments (3)
Construction Stainless Steel Top, Front, Ends & Legs
Splash 3"
Drainboards Drainboards On Left & Right
Bowl Depth (rim - drain) 10"
Depth (front - back) OA 20" - 21"
Bowl Size 10" X 14" Front-to-back
Top Stainless Series 300 Series
Width (side - side) OA 43" - 48"
Height 32.5"
Width 48"
Depth 21"
Weight 111 lbs
NSF Yes

About this item

Product Details

The John Boos UBS3C-2148-2D18-X Underbar Corner Sink Unit is a commercial-grade stainless steel sink designed specifically for high-demand foodservice environments. This three-compartment underbar sink features a durable 300 Series stainless steel construction, measuring 48 inches in width, 21 inches in depth, and 32-1/2 inches in overall height. Its precise configuration includes one 14-inch by 14-inch bowl and two 10-inch by 14-inch bowls, with a rim-to-drain depth of 10 inches. Equipped with 18-inch drainboards on each side, these include removable perforated inserts to facilitate efficient drying and cleanup. The unit offers a 3-inch backsplash for splash management and has two removable splash mount faucet holes with 4-inch centers for plumbing versatility. Suitable for demanding foodservice applications, this underbar corner sink combines professional sanitization standards with functional design for streamlined workflow.

Top John Boos UBS3C-2148-2D18-X Features

The John Boos UBS3C-2148-2D18-X underbar sink is tailored for moderate-volume foodservice kitchens requiring robust stainless steel surfaces and efficient compartmentalized washing stations. Its corrosion-resistant 300 Series stainless steel construction ensures long-term durability, while the removable drainboards with perforated inserts facilitate quick cleaning. Designed for easy plumbing integration with splash mount faucet holes, its precise dimensions support optimal workflow and sanitation. The unit's height and compartment sizes promote ergonomic use in compact spaces, making it ideal for bar and prep stations with demanding throughput. Additionally, forklift-friendly weighting enhances handling and installation efficiency for busy kitchen environments.

  • Functionality: Provides three spacious, compliant sink compartments for multiple washing needs
  • Durability: Crafted from heavy-duty 300 Series stainless steel with corrosion resistance
  • Ease of Maintenance: Removable splash mounts and perforated drainboard inserts simplify cleaning
  • Fit and Use Case: Designed to integrate seamlessly into corner configurations in compact kitchens
  • Workflow Efficiency: Optimized dimensions support ergonomic access and streamlined operation

Ideal for bar, prep, or dishwashing stations in commercial kitchens requiring reliable, high-capacity sinks.

John Boos UBS3C-2148-2D18-X Technical Specs

The John Boos UBS3C-2148-2D18-X features a 111-pound stainless steel construction, ensuring durability and resistance to daily commercial kitchen wear. Its 300 stainless series finish provides excellent corrosion resistance suited for wet environments. The unit measures 48 inches wide by 21 inches deep and stands 32-1/2 inches tall, with a rim-to-drain depth of 10 inches. This model includes two sets of removable splash mount faucet holes with 4-inch centers, facilitating easy plumbing customization. Cooling or refrigeration is not applicable, as the unit is designed solely for washing and draining functions, with an accessible drain system including 1-1/2-inch drains and overflow standpipes. The unit conforms to food safety and sanitation standards with NSF approval, supporting ease of cleaning and maintenance in busy settings. It is designed with adjustable stainless steel bullet feet for leveling stability, and the overall dimensions support efficient space utilization in commercial environments. Shipping weight and packaging considerations are crucial for handling and installation planning.

  • Electrical Requirements: Not applicable, plumbing required for drainage and water supply
  • Construction & Finish: 300 Series stainless steel with corrosion-resistant surface
  • Dimensions: 48"W x 21"D x 32-1/2"H overall size
  • Drain System: Includes 1-1/2" drains with overflow stand pipes
  • Compatibility: Designed for bench or under-counter installation with adjustable legs
  • Sanitation and Maintenance: Removable splash mounts and perforated inserts ease cleaning

What is a commercial underbar sink unit?

A commercial underbar sink unit is a specialized stainless steel washing station designed for high-traffic foodservice settings such as bars and prep areas. Constructed with heavy-duty materials, these units typically feature multiple compartments to accommodate various washing, rinsing, and draining tasks. The John Boos UBS3C-2148-2D18-X model, in particular, offers three compartments, two drainboards, and precise dimensions ideal for streamlined workflows in busy kitchens, supporting sanitation standards and operational efficiency.

Top Stainless Steel Underbar Sink Units for Foodservice Operations

Designed for moderate-volume foodservice kitchens, the John Boos UBS3C-2148-2D18-X underbar sink combines durable stainless steel construction with functional compartmentalization for efficient dishwashing and preparation workflows. Its robust design and precise configuration make it suitable for commercial kitchens requiring versatile, restaurant-ready equipment tailored for underbar and prep area use.

  • Moderate-volume operations — ideal for mid-sized restaurant kitchens
  • Compact footprint — supports efficient use in limited spaces
  • Commercial kitchen equipment — built for durability and sanitation
  • Efficient workflow — flexible compartments streamline multiple tasks
  • Restaurant-ready design — compatible with existing plumbing and setup

Why Choose John Boos UBS3C-2148-2D18-X?

John Boos UBS3C-2148-2D18-X offers a high-quality stainless steel underbar sink with a reliable, corrosion-resistant build and functional design that surpasses standard models. Its tailored compartment configuration and easy maintenance features enhance operational efficiency and sanitation, making it a preferred choice for busy foodservice venues seeking durable, restaurant-grade equipment.

  • Robust 300 Series stainless steel for long-term durability
  • Thoughtfully designed three-compartment layout for multitasking
  • Removable perforated drainboards support quick cleaning
  • Adjustable stainless steel legs for leveling and stability
  • Streamlined plumbing integration with splash mount faucet holes

Customer reviews

John Boos UBS3C-2148-2D18-X Underbar Corner Sink Unit 3-compartment 48"W X 21"D X 32-1/2"H Overall Size
John Boos

John Boos UBS3C-2148-2D18-X 48 Inch Underbar Corner Sink Unit Stainless Steel with 3 Compartment

$2,630.56

John Boos, UBS3C-2148-2D18-X, Underbar Corner Sink Unit, 3-compartment, 48"W x 21"D x 32-1/2"H overall size, (1) 14"W x 14" front-to-back and (2) 10"W x 14" front-to-back x 10" deep compartments, 18" drainboard on left and right with removable perforated insert, 3"H backsplash, (2) set of removable splash mount faucet holes with 4" centers, includes 1-1/2" drains & overflow stand pipes (PB-OVF-BS), 18/300 stainless steel construction, stainless steel legs & side bracing, adjustable stainless steel bullet feet, NSF, (weights are subject to additional packaging)