BK Resources UB4-21-336S 36 Inch Underbar Sink Stainless Steel Three Compartment with Backsplash

The BK Resources UB4-21-336S Underbar Sink is a commercial-grade three-compartment unit designed for high-performance foodservice environments. Constructed from durable 300 Series stainless steel, it features an overall size of 36 inches in width, 21-1/4 inches in depth, and 32-1/2 inches in height, making it suitable for installation in busy bars, cafes, and catering setups. The sink comprises three bowls measuring 10 inches in width, 14 inches front-to-back, and 10 inches deep, with a 4-1/2-inch backsplash to contain splashes. Equipped with a 4-inch OC deck-mounted lead-free faucet, this unit offers efficient washing workflows, corrosion resistance, and ease of cleaning, suitable for intensive warewashing and prep station applications. Its stainless steel apron on front and sides provides enhanced durability in demanding environments, with included basket drains and removable overflow standpipes ensuring reliable drainage and maintenance. Designed for professionals, the UB4-21-336S combines robust build quality with precise specifications, optimizing workflow integration in commercial kitchens.

Top BK Resources UB4-21-336S Features

This underbar sink features a stainless steel construction that ensures longevity and corrosion resistance in high-use foodservice settings. Its three compartments facilitate efficient dishwashing and prep routines, while the 36-inch width maximizes workspace. The unit’s impact-resistant, adjustable high paws and stainless steel legs simplify installation and adjustment. With a 10-by-14-inch bowl size and 4-1/2 inch backsplash, it effectively contains splashes and reduces cleaning time. Its deck-mounted lead-free faucet allows easy operation, streamlining workflow for busy bar and café environments.

• Functionality: three-compartment design optimized for warewashing tasks
• Durability: 300 Series stainless steel construction resists corrosion
• Ease-of-use: includes basket drains and removable overflow standpipes for straightforward maintenance
• Application fit: ideal for bar, cafe, and catering prep stations with 36” width
• Workflow benefit: integrated with 4” OC deck mount faucet for reliable operation

Ideal for high-traffic beverage service or prep areas requiring durable, easy-to-maintain underbar sinks.

UB4-21-336S Technical Specs

The BK Resources UB4-21-336S underbar sink features a rugged stainless steel top, front, ends, and legs, ensuring maximum durability in demanding kitchens. It measures 36 inches in width, 21-1/4 inches in depth, and stands 32-1/2 inches tall, supporting three 10-inch by 14-inch bowls with a 10-inch bowl depth. The unit weighs approximately 63.5 lbs. Its construction from 300 Series stainless steel provides corrosion and stain resistance, suitable for frequent cleaning and sanitation. The sink includes a 4-inch OC lead-free faucet, and drainage is managed via included basket drains and removable overflow standpipes. The unit’s dimensions facilitate installation under counters or adjacent workstations, with adjustable stainless steel legs and impact-resistant feet for stability. This model is compliant with food safety standards, designed for ease of maintenance and long-term operational efficiency. Shipping costs are approximately $275, with freight class 175, typically shipped within 3 to 4 days.

• Dimensions: 36"W x 21-1/4"D x 32-1/2"H, compatible with standard prep areas
• Construction: 300 Series stainless steel, corrosion-resistant, easy to clean
• Drainage: basket drains and removable overflow standpipes included
• Faucet: deck-mounted 4" OC lead-free, marine-grade faucet BKD-10-G
• Installation: stainless steel adjustable legs and impact-resistant feet

What is a commercial underbar sink?

A commercial underbar sink is a heavy-duty stainless steel fixture designed for bar and foodservice operations, featuring multiple compartments for washing, rinsing, and sanitizing dishes or tools. The UB4-21-336S model from BK Resources is tailored for high-volume beverage stations, with durable construction, integrated drainage, and precise compartment dimensions suited for busy hospitality environments, making it ideal for restaurant prep stations, cafes, and catering setups.

Top three-compartment underbar sinks for high-volume beverage stations

High-quality underbar sinks provide robust stainless steel construction, optimized compartment sizes, and efficient drainage for demanding foodservice operations. The BK Resources UB4-21-336S combines its durable materials, reliable performance, and versatile design, making it suitable for moderate throughput applications in busy bar and café environments.

• Moderate-volume operations — suited for cafes and catering
• Commercial kitchen equipment — ideal for beverage and prep stations
• Restaurant-ready — built with durable, NSF-listed stainless steel
• Workflow efficiency — three compartments support streamlined dishwashing
• Impact-resistant construction — galvanized stainless steel with adjustable legs

Why Choose BK Resources UB4-21-336S?

Designed for durability, efficiency, and ease of maintenance, the BK Resources UB4-21-336S exceeds typical underbar sink standards with corrosion-resistant 300 Series stainless steel and a versatile three-compartment layout. Its impact-resistant legs and integrated faucet simplify setup and operation, making it a reliable choice for busy foodservice environments seeking long-term performance and streamlined workflows.

• Self-contained design with integrated drainage solutions
• Compact footprint suitable for tight bar or prep areas
• Heavy-duty stainless steel construction for longevity
• Includes basket drains and overflow standpipes for practical maintenance
• Designed for high-use, commercial foodservice environments