Delivering to

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 UBS4-2172-2D12 underbar sink units
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert
Free Shipping
$2,525.64 $6,877.00
You save $4,351.36 (63%)

FREE Delivery to:

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 UBS4-2172-2D12 underbar sink units
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

John Boos UBS4-2172-2D12 72 Inch Underbar Sink Unit Stainless Steel with Drainboards

John Boos  |  MFG #: UBS4-2172-2D12  |  Item #: 550514
Item: #550514

Technical details
Manufacturer John Boos
Model Number UBS4-2172-2D12
Manufacturer Part # UBS4-2172-2D12
Depth (front - back) OA 20" - 21"
Bowl Depth (rim - drain) 10"
Sink Compartments (4)
Bowl Size 10" X 14" Front-to-back
Top Stainless Series 300 Series
Drainboards Drainboards On Left & Right
Splash 3"
Construction Stainless Steel Top, Front, Ends & Legs
Width (side - side) OA 67" - 72"
Height 32.5"
Width 72"
Depth 21"
Weight 109 lbs
NSF Yes
CSA-Sanitation Yes

About this item

Product Details

The John Boos UBS4-2172-2D12 Underbar Sink Unit is a durable commercial-grade underbar sink designed for high-volume foodservice environments. Constructed from 300 series stainless steel, it features four spacious 10" x 14" compartments with a depth of 10", ideal for efficient washing, rinsing, and prep tasks in busy bars and beverage stations. The unit measures 72 inches in width, 21 inches in depth, and has an overall height of 32-1/2 inches, with a built-in 12-inch drainboard on each side equipped with removable perforated inserts for ease of cleaning and drainage. The sink includes a 3-inch splash with removable splash mount faucet holes spaced at 4 inches, facilitating flexible faucet installation. Equipped with stainless steel legs, side bracing, and adjustable bullet feet, this unit ensures stability and corrosion resistance, suitable for demanding commercial kitchens and hospitality setups. The inclusion of 1-1/2 inch drains and overflow stand pipes enables reliable wastewater management, making it a versatile addition to underbar and prep areas requiring efficient workflow and sanitation.

Top John Boos UBS4-2172-2D12 Features

Designed for moderate throughput foodservice operations, this four-compartment underbar sink offers robust stainless steel construction for longevity and corrosion resistance. Its spacious compartments and drainboards optimize workflow, while removable splash mount faucet holes and perforated inserts facilitate maintenance. Ideal for busy bar stations and prep areas, it supports streamlined cleaning and efficient wastewater drainage.

  • Four 10" x 14" compartments: Facilitates multi-task wash/rinse cycles in high-use environments
  • Constructed from 300 series stainless steel: Delivers superior durability and corrosion resistance
  • Removable perforated drainboard inserts: Simplifies cleaning and optimizes drainage efficiency
  • Adjustable stainless steel legs & bullet feet: Ensures stability on uneven flooring
  • Includes 1-1/2" drains & overflow pipes: Enables reliable wastewater management in demanding settings

Ideal for installation in underbar or prep stations requiring quick access to multiple wash compartments and seamless workflow integration.

John Boos UBS4-2172-2D12 Technical Specs

This underbar sink unit features a stainless steel top, front, ends, and legs, with a total weight of 109 lbs. Its overall dimensions are 72 inches in width, 21 inches in depth, and 32-1/2 inches in height, fitting comfortably into standard bar and prep areas. The construction includes NSF certification and CSA sanitation compliance, ensuring food safety and sanitation standards. The device accommodates four 10" x 14" compartments with a depth of 10", supplied with removable perforated inserts to aid in drainage and cleaning routines. Its 3-inch splash and dual faucet mounting sets provide flexible installation options. The drainboard spaces on each side enhance workflow by providing ample space for draining and prepping. The unit’s 12-inch drainboards with perforated inserts promote quick drying and minimize bacterial buildup, making it suitable for environments with moderate to high workload demands.

  • Dimensions: 72"W x 21"D x 32-1/2"H, fits standard underbar spaces
  • Weight: 109 lbs, constructed from durable stainless steel
  • Compartment size: 10" X 14" front-to-back, four compartments for versatile use
  • Material: NSF-certified stainless steel for longevity and sanitation
  • Drainboard setup: 12" drainboards on each side with removable perforated inserts
  • Faucet setup: Two sets of removable splash mount faucet holes with 4" centers
  • Drainage: 1-1/2" drains with overflow stand pipes for efficient wastewater handling
  • Construction: Stainless steel top, front, ends, legs, with adjustable bullet feet

What is a commercial underbar sink unit

A commercial underbar sink unit is a heavy-duty stainless steel fixture designed to facilitate efficient washing, rinsing, and food prep in high-traffic foodservice settings. It typically features multiple compartments, drainboards, and integrated plumbing components suitable for bar stations, prep areas, and hospitality environments. The John Boos UBS4-2172-2D12 Underbar Sink Unit is a four-compartment model with ample storage and drainage capacity, ideal for busy establishments requiring robust sanitation and workflow management. Its construction and design support quick cleaning, ease of maintenance, and compliance with food safety standards, making it well-suited for moderate to high-volume operations in restaurants, bars, and catering venues.

Top stainless steel underbar sinks for moderate foodservice operations

High-quality and durable, the John Boos UBS4-2172-2D12 underbar sink is built for efficient washing and workflow in busy bar and prep stations, supporting moderate throughput with its commercial-grade construction.

  • Moderate-volume foodservice — suited for mid-sized bars and kitchens
  • Commercial kitchen equipment — designed for durability and sanitation
  • Food prep stations — provides multiple compartments for streamlined workflows
  • Easy maintenance — removable perforated inserts and splash mounts simplify cleaning
  • Optimized workflow — built-in drainboards and adjustable feet support efficient operation

Why Choose John Boos UBS4-2172-2D12

Built with corrosion-resistant stainless steel and featuring a thoughtful four-compartment design, this underbar sink enhances operation reliability and sanitation. Its robust construction ensures longevity in demanding environments, offering superior drainage and easy maintenance compared to standard models, making it a dependable choice for professional beverage and prep stations.

  • Self-contained design: Easy installation without complex plumbing connections
  • Optimized compartment layout: Supports efficient multi-tasking in busy settings
  • Commercial-grade stainless steel: Ensures durability and corrosion resistance
  • Drainboard configuration: Facilitates quick drainage and cleaning routines
  • Adjustable feet: Provide stability on uneven floors for lasting performance

Certifications

CSA Sanitation NSF2 logo

CSA Sanitation NSF2

This item meets or exceeds the requirements of NSF/ANSI 2 as determined by the Canadian Standards Association (CSA) and is certified for the U.S. market.

NSF Listed logo

NSF Listed

The item meets the standards imposed by NSF International. These standards relate to health, public safety and the environment.

Certifications

Customer reviews

John Boos UBS4-2172-2D12 Underbar Sink Unit 4-compartment 72"W X 21"D X 32-1/2"H Overall Size
John Boos

John Boos UBS4-2172-2D12 72 Inch Underbar Sink Unit Stainless Steel with Drainboards

$2,525.64 $6,877.00

John Boos, UBS4-2172-2D12, Underbar Sink Unit, 4-compartment, 72"W x 21"D x 32-1/2"H overall size, (4) 10"W x 14" front-to-back x 10" deep compartments, 12" drainboard on left and right with removable perforated insert, 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)