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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 UBS4-1848-X underbar sink units
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

John Boos UBS4-1848-X 48 Inch Underbar Sink Unit Stainless Steel 4 Compartment with Backsplash

John Boos  |  MFG #: UBS4-1848-X  |  Item #: 551617
Item: #551617

Technical details
Manufacturer John Boos
Model Number UBS4-1848-X
Manufacturer Part # UBS4-1848-X
Bowl Depth (rim - drain) 10"
Sink Compartments (4)
Top Stainless Series 300 Series
Bowl Size 10" X 14" Front-to-back
Drainboards Without Drainboards
Splash 3"
Depth (front - back) OA 18" - 19"
Construction Stainless Steel Top, Front, Ends & Legs
Width (side - side) OA 43" - 48"
Height 32.5"
Width 48"
Depth 18"
Weight 75 lbs
NSF Yes

About this item

Product Details

The John Boos UBS4-1848-X Slim-Line Underbar Sink Unit is a commercial-grade underbar sink designed for efficient workspace integration in foodservice environments. Crafted from 300 Series stainless steel, this unit features four precisely measured compartments measuring 10" W x 14" D front-to-back, with a depth of 10". Its overall dimensions of 48"W x 18"D x 32-1/2"H provide a streamlined footprint suitable for compact bar and prep stations. Equipped with a 3-inch backsplash and removable splash mount faucet holes with 4-inch centers, this sink facilitates efficient cleaning and water access. The inclusion of 1-1/2" drains and overflow stand pipes ensures reliable drainage and overflow prevention, making it ideal for high-demand establishments seeking durable, corrosion-resistant fixtures suited for demanding kitchen workflows.

Top John Boos UBS4-1848-X Features

The John Boos UBS4-1848-X underbar sink offers four compartments for streamlined washing, rinsing, and prepping in busy foodservice settings. Its stainless steel top and legs ensure durability, while removable splash mounts simplify maintenance. Designed for moderate throughput, it fits seamlessly into tight bar or prep areas, enhancing workflow efficiency with precise dimensions and corrosion-resistant materials.

  • Precise compartment sizing: Four 10" W x 14" D compartments for versatile use
  • Corrosion-resistant stainless steel: 300 Series construction ensures longevity in wet environments
  • Removable splash mount faucet holes: Facilitates easy maintenance and quick faucet replacement
  • Compact profile for tight spaces: Fits seamlessly into bar or prep station layouts
  • Efficient drainage system: 1-1/2" drains with overflow pipes for reliable water management

Ideal for installing in bar or prep stations requiring durable, easy-to-maintain underbar sinks for mid-volume foodservice operations.

John Boos UBS4-1848-X Technical Specs

The John Boos UBS4-1848-X underbar sink features a stainless steel construction with a top stainless series of 300, ensuring robust resistance to corrosion and everyday wear. It measures 48 inches in width, 18 inches in depth, and 32-1/2 inches in height, with a total weight of 75 lbs. The unit incorporates four compartments, each 10" W x 14" D with a 10" depth, suitable for multi-stage washing and rinsing tasks. It does not include drainboards but is equipped with a 3-inch backsplash for splash control. The unit operates with four sets of removable splash mount faucet holes, spaced 4 inches apart, and includes 1-1/2" drains and overflow stand pipes. Designed for commercial environments, its dimensions and construction ensure compatibility with standard plumbing connections. The unit is NSF certified, ensuring compliance with sanitation standards and ease of cleaning. Shipping typically takes 2-4 weeks, and the model is discontinued, emphasizing its value as a reliable, durable fixture for professional kitchens and bar areas.

  • Dimensions: 48"W x 18"D x 32-1/2"H for space-efficient installation
  • Construction: 300 Series stainless steel top, front, ends & legs for durability
  • Weight: 75 lbs for sturdy setup in commercial environments
  • Compartments: Four 10" W x 14" D x 10" deep sections for multi-tasking
  • Drain & overflow: 1-1/2" drains with overflow stand pipes for reliable water management
  • Faucet mountings: Two sets of removable splash mount faucet holes at 4" centers
  • Certifications: NSF approved for sanitation compliance

What is a commercial underbar sink?

A commercial underbar sink is a heavy-duty plumbing fixture designed for installation beneath bar or prep stations to facilitate quick washing and rinsing of utensils and glassware. This type of sink is constructed from durable stainless steel and features multiple compartments to enhance workflow efficiency. The John Boos UBS4-1848-X underbar sink unit, with its four compartments and 48-inch width, is ideal for mid-volume foodservice settings such as bars, cafes, and small restaurants seeking reliable, easy-to-clean fixtures to maintain hygiene standards and operational flow.

Top Commercial Underbar Sinks for Foodservice Settings

Designed for moderate kitchen workflows, the John Boos UBS4-1848-X underbar sink provides durable stainless steel construction and precise compartmentalization, ideal for small to mid-sized hospitality environments requiring efficient wash stations. Built to withstand demanding cleaning routines and frequent usage in commercial kitchens, it supports streamlined operations in bar, prep, or beverage service areas with a compact footprint suitable for space-constrained settings.

  • Operation Type — Suitable for small prep and bar kitchens
  • Workload Qualifier — Moderate throughput in fast-paced environments
  • Kitchen Setting — Ideal for compact commercial spaces
  • Use Case — Designed for quick cleaning and organization
  • Functionality — Multiple compartments for multitasking workflows

Why Choose John Boos UBS4-1848-X

John Boos UBS4-1848-X underbar sink units stand out through their robust stainless steel build, precise compartment design, and ease of maintenance. Unlike competitor models, this stainless steel fixture features removable faucet mountings, corrosion-resistant construction, and optimized dimensions for tight spaces. Its durability and streamlined workflow support ensure long-term performance in busy commercial kitchens and bars, enhancing sanitation and operational efficiency.

  • Compact footprint: Fits seamlessly into tight bar or prep stations
  • Durable stainless steel: 300 Series construction withstands heavy use
  • Removable faucet mounts: Simplifies faucet replacement and cleaning
  • Corrosion-resistant design: Ensures longevity in wet environments
  • Optimized dimensions: 48"W x 18"D x 32-1/2"H for space efficiency

Customer reviews

John Boos UBS4-1848-X Slim-Line Underbar Sink Unit 4-compartment 48"W X 18"D X 32-1/2"H Overall Size
John Boos

John Boos UBS4-1848-X 48 Inch Underbar Sink Unit Stainless Steel 4 Compartment with Backsplash

$1,787.62

John Boos, UBS4-1848-X, Slim-Line Underbar Sink Unit, 4-compartment, 48"W x 18"D x 32-1/2"H overall size, (4) 10"W x 14" front-to-back x 10" deep compartments, 3"H backsplash, (2) sets 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)