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Why you’ll love it

RestaurantSupply.com is your trusted source for John Boos three compartment sinks.

  • Authorized John Boos dealer, ensuring genuine commercial restaurant equipment and manufacturer support
  • Fast shipping available on in-stock John Boos 3B16204-1D18L-X three compartment sinks
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

John Boos 3B16204-1D18L-X 70 Inch Sink Three Compartment Stainless Steel with Left Drainboard

John Boos  |  MFG #: 3B16204-1D18L-X  |  Item #: 512501
Item: #512501

Technical details
Manufacturer John Boos
Model Number 3B16204-1D18L-X
Manufacturer Part # 3B16204-1D18L-X
Compartment Width (side - side) 16"
Base Type Legs With Side Crossrails
Sink Depth (rim - drain) 14"
Splash Height 10"
Top Gauge 16 Gauge
Top Stainless Series 300 Series
Overall Length 63" - 72"
Drainboards With Left-hand Drainboard
Compartment (front - back) 20"
Base Construction Stainless Steel
Height 44"
Width 70.19"
Depth 25.5"
Weight 113 lbs
NSF Yes

About this item

Product Details

The John Boos 3B16204-1D18L-X "B" Series Sink is a commercial-grade, three-compartment stainless steel sink designed for high-performance foodservice environments. Measuring 70 inches in width, 25-1/2 inches in depth, and standing 44 inches tall, this unit features three 16-inch-wide by 20-inch-front-to-back by 14-inch-deep compartments, optimized for multi-tasking kitchen operations. Its robust 300 Series stainless steel construction ensures durability and ease of sanitation, making it suitable for restaurant kitchens, institutional cafeterias, and catering facilities requiring reliable, large-capacity sinks with integrated drainboards and splash-mount faucet holes for efficient workflow management.

Top John Boos 3B16204-1D18L-X Features

This sink offers three spacious compartments with precise dimensions tailored for heavy-duty washing, rinsing, and sanitizing tasks. The unit is equipped with a left-hand drainboard for additional workspace, a 16-gauge stainless steel top for longevity, and a 10-inch boxed splash backsplash with a 45-degree top and 2-inch return to contain water splashes. Its adjustable bullet feet and side bracing facilitate installation on uneven floors, ensuring stability in busy kitchens. The integrated faucet holes with 8-inch centers allow for easy fixture upgrades, while the stainless steel legs streamline maintenance and sanitation routines.

  • Functionality: Three spacious 16\"W x 20\"D compartments support multiple prep stations.
  • Durability: Constructed from 16-gauge, 300 stainless steel for corrosion resistance.
  • Ease of Maintenance: Designed with seam-welded construction and removable splash guard for cleaning access.
  • Workflow Optimization: Incorporates integrated drainboards and adjustable leveling feet for versatile installation.
  • Technical Compatibility: Includes a set of splash mount faucet holes with 8\" centers for flexible plumbing options.

Ideal for high-volume food preparation, dishwashing stations, and multi-purpose sinks in commercial kitchens.

John Boos 3B16204-1D18L-X Technical Specs

This sink features a precise 16-gauge stainless steel construction across the entire unit, with overall dimensions of 70 inches in width, 25-1/2 inches in depth, and 44 inches in height, making it suitable for standard commercial kitchen installations. It includes three compartments measuring 16 inches wide by 20 inches front-to-back and 14 inches deep, combined with an 18-inch left drainboard to facilitate efficient workflow. The unit is equipped with a 10-inch boxed backsplash with a 45-degree top and 2-inch return, enhancing splash containment. The base is comprised of sturdy stainless steel legs with adjustable side bracing and bullet feet for stability. The unit is NSF and CSA-Sanitation listed, with a weight of approximately 113 pounds, designed for rugged use and easy cleaning routines. It features drain openings of 3-1/2 inches diameter and a total electrical load of minimal power, configured for optimal sanitation and durability. The sink’s operating temperature range extends to standard kitchen tolerances, with food-safe, corrosion-resistant stainless steel construction suited for prolonged daily use.

  • Electrical Requirements: Not specified; compatible with standard plumbing hookup
  • Construction & Finish: 16-gauge, 300 series stainless steel, seamless welds
  • Dimensions: 70\"W x 25-1/2\"D x 44\"H
  • Weight: 113 lbs for the assembled unit
  • Drain Openings: 3-1/2\" diameter with included plumbing compatibility
  • Temperature Resistance: Operates within standard kitchen temperature ranges
  • Food Safety: Corrosion-resistant, NSF and CSA listed for sanitation compliance
  • Cleaning & Maintenance: Seamless stainless steel surfaces, removable splash and faucet holes
  • Usage Compatibility: Designed for bench-mounted installation with accessible plumbing connections

What is a commercial sink?

A commercial sink is a heavy-duty, industrial-grade washing station used in professional foodservice settings. The John Boos 3B16204-1D18L-X is a three-compartment stainless steel sink with dimensions tailored for multi-tasking kitchen workflows. It features three sizable wash compartments, durable 16-gauge steel construction, and integrated drainboards, making it suitable for high-volume restaurant, cafeteria, or catering operations that demand efficiency and sanitation. Designed for installation in commercial kitchens, it supports continuous use while maintaining ease of cleaning and durability, ensuring effective water management and workflow integration for busy foodservice environments.

Top Commercial Sinks for Foodservice Operations

The John Boos 3B16204-1D18L-X offers robust construction and optimal compartment dimensions for medium-volume kitchens. Its stainless steel build and integrated features support efficient workflow in restaurant, institutional, or catering foodservice environments. Ideal for mid-volume service operations emphasizing hygiene, durability, and functional workspace layout.

  • Operation type — suited for prep stations in busy commercial kitchens
  • Kitchen type — designed for professional foodservice environments
  • Foodservice category — ideal for institutional cafeterias and restaurant kitchens
  • Workload qualifier — supports moderate throughput daily
  • Use case — enhances multi-task prep and sanitation routines

Why Choose John Boos 3B16204-1D18L-X

Compared to similar commercial sinks, this model by John Boos stands out with its reinforced 16-gauge stainless steel construction, comprehensive three-compartment design, and integrated drainboard, providing enhanced durability and operational flexibility. Its sturdy legs with adjustable leveling features offer stability on uneven flooring, while its efficient water containment with splash guards supports improved sanitation processes. The unit's straightforward maintenance and high-quality materials contribute to long-term performance and streamlined workflow management in demanding kitchen environments.

  • Self-contained design maximizes sanitation and simplifies setup
  • Heavy-duty stainless steel promotes longevity and corrosion resistance
  • Large compartment dimensions suitable for high-volume washing and rinsing
  • Flexible placement options with adjustable feet and splash guard
  • Integrated drainboard enhances task efficiency and workspace organization

Certifications

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 3B16204-1D18L-X "B" Series Sink 3-compartment 70"W X 25-1/2"D X 44"H Overall Size
John Boos

John Boos 3B16204-1D18L-X 70 Inch Sink Three Compartment Stainless Steel with Left Drainboard

$1,847.40

John Boos, 3B16204-1D18L-X, "B" Series Sink, 3-compartment, 70"W x 25-1/2"D x 44"H overall size, (3) 16"W x 20" front-to-back x 14" deep compartments, (1) 18" left drainboard, 10"H boxed backsplash with 45° top and 2" return, (1) set of splash mount faucet holes with 8" centers, 3-1/2" die-stamped drain openings, 16/300 stainless steel construction, stainless steel legs, adjustable side bracing, adjustable bullet feet, NSF, CSA-Sanitation (Available in Effingham and Nevada)