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Why you’ll love it

RestaurantSupply.com is your trusted source for Atosa three compartment sinks.

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

Atosa MRSB-3-D 120 Inch Sink 3 Compartment Stainless Steel with Drainboards

Atosa  |  MFG #: MRSB-3-D  |  Item #: 501504
Item: #501504

Technical details
Manufacturer Atosa USA, Inc.
Model Number MRSB-3-D
Manufacturer Part # MRSB-3-D
Base Type Legs
Compartment Width (side - side) 24"
Drainboards With Left & Right-hand Drainboards
Splash Height 11"
Base Construction Galvanized
Sink Depth (rim - drain) 14"
Overall Length 109" - 170"
Top Gauge 16 Gauge
Top Stainless Series Unspecified
Compartment (front - back) 24"
Height 44.5"
Width 120"
Depth 30"
Weight 161 lbs
NSF Yes

This item is ineligible to earn loyalty points.

About this item

Product Details

The Atosa MRSB-3-D MixRite Sink is a commercial-grade three-compartment sink designed for high-efficiency foodservice operations. Crafted from 16 gauge stainless steel, this sink features three 24" wide by 24" front-to-back by 14" deep compartments, supported by galvanized legs with adjustable ABS feet for stability. Its overall dimensions measure 120" in width, 30" in depth, and 44-1/2" in height, making it suitable for busy kitchens requiring durable, easy-to-maintain sanitation stations. The unit includes 24" left and right drainboards for optimized workflow, with a splash height of 11". Engineered for commercial environments, it combines robust materials and precise specifications to meet demanding sanitation and functionality standards, making it ideal for institutional kitchens, restaurants, and catering facilities seeking reliable multi-compartment washing solutions.

Top Atosa MRSB-3-D Features

The Atosa MRSB-3-D MixRite Sink offers commercial-grade durability with 16 gauge stainless steel construction and galvanized legs featuring adjustable ABS feet for secure installation. The three compartments, each measuring 24" W x 24" D x 14" deep, facilitate efficient warewashing, while the dual 24" drainboards support seamless workflow. Its generous overall size ensures ample capacity for large-volume washing tasks, and the NSF-compliant design guarantees sanitation standards. Easy to disassemble and clean, it integrates smoothly into multiple kitchen layouts for consistent performance in high-use environments.

  • Functionality: Three spacious 24" compartments optimize warewashing workflows.
  • Durability Traits: 16 gauge stainless steel construction withstands heavy-use environments.
  • Ease of Maintenance: Galvanized legs with adjustable ABS feet enable quick leveling.
  • Use Case Compatibility: Suitable for high-volume restaurant and cafeteria operations.
  • Workflow Integration: 24" drainboards support utensil and equipment handling.

Ideal for foodservice establishments requiring dependable, large-capacity washing stations with easy maintenance.

Atosa MRSB-3-D Technical Specs

The Atosa MRSB-3-D MixRite Sink features a 120" width, 30" depth, and 44-1/2" height overall. Constructed from 16 gauge stainless steel with a galvanized base, it includes three compartments each measuring 24" W x 24" D x 14" deep, complemented by 24" left and right drainboards for efficient workflow. The unit weighs approximately 161 lbs, supporting robust use in busy kitchens. It requires a standard plumbing connection, with NSF compliance ensuring sanitary operation. The splash height of 11" enhances spill containment, while adjustable ABS feet eliminate unevenness for installation versatility. The sink’s material finish supports typical cleaning routines, and its durable build addresses the needs of medium-volume foodservice settings.

  • Electrical Requirements: Not applicable, designed for standard plumbing hookup
  • Construction & Finish: 16 gauge stainless steel with galvanized base
  • Compartment Dimensions: 24" W x 24" D x 14" deep
  • Overall Dimensions: 120" W x 30" D x 44-1/2" H
  • Weight: 161 lbs
  • Installation Needs: Requires flat, level surface with appropriate drainage and clearance
  • Cleaning & Maintenance: Disassemble easily; wipe with standard stainless steel cleaner

What is a commercial three-compartment sink

A commercial three-compartment sink is a heavy-duty washing station designed for large-volume foodservice environments. It features three spacious compartments that facilitate washing, rinsing, and sanitizing in compliance with sanitation standards. Typically constructed from durable materials like stainless steel, these sinks are installed in kitchens, cafeterias, and catering facilities to streamline dishwashing workflows. The Atosa MRSB-3-D MixRite Sink exemplifies this category with its robust build, ample capacity, and integrated drainboards, making it suitable for medium-volume restaurant service and institutional use.

Top three-compartment sinks for institutional foodservice

Designed for medium-volume foodservice use, the Atosa MRSB-3-D combines durability, function, and spacious design ideal for commercial kitchens. Built with 16 gauge stainless steel, it supports efficient warewashing in busy environments. Featuring adjustable legs and ample compartment capacity, it excels in institutional cafeteria and restaurant operations, providing reliable sanitation and workflow integration without compromise.

  • Medium-volume warewashing in institutional kitchens
  • Designed for compact commercial spaces with large capacity
  • Suitable for restaurant and cafeteria foodservice categories
  • Supporting moderate throughput and daily dishwashing tasks
  • Ideal for manual cleaning and sanitation stations

Why Choose Atosa MRSB-3-D?

Compared to similar models, the Atosa MRSB-3-D offers a larger overall width and three spacious compartments optimized for medium-volume operations. Its sturdy 16 gauge stainless steel construction and galvanized legs with adjustable ABS feet ensure long-term durability and stability in high-traffic kitchens. The integrated drainboards support workflow, reducing clutter and bottlenecks, while the unit’s design ensures easy cleaning and maintenance, making it a reliable choice for foodservice facilities seeking restaurant-ready, commercial kitchen equipment that adapts seamlessly to demanding workloads.

  • Wider footprint facilitates increased washing capacity
  • Heavy-duty stainless steel construction resists corrosion and damage
  • Designed with integrated drainboards for workflow efficiency
  • Robust, adjustable feet for secure, level installation
  • Optimized for medium-volume, high-turnover environments

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

Atosa MRSB-3-D MixRite Sink 3-compartment 120"W X 30"D X 44-1/2"H Overall
Atosa USA, Inc.

Atosa MRSB-3-D 120 Inch Sink 3 Compartment Stainless Steel with Drainboards

$1,096.00 $1,521.00

Atosa USA, Inc., MRSB-3-D, MixRite Sink, 3-compartment, 120"W x 30"D x 44-1/2"H overall, (3) 24"W x 24" front-to-back x 14" deep sink compartments, 24" left & right drainboards, 16 gauge stainless steel, galvanized legs, adjustable ABS feet, NSF (requires two faucets) (must be purchased in quantities of (5 each), unless doing will call pick up)