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Building Drainage > Sanitary Industrial Stainless Steel Drainage > Stainless Floor Sinks > BoxDrain 20″Building Drainage > ... > BoxDrain 20″Building Drainage > Sanitary Industrial Stainless Steel Drainage > Stainless Floor Sinks > BoxDrain 20″
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BoxDrain 20″

20” Wide Stainless Steel Floor Sink
Hygienic stainless steel floor trough for commercial kitchens/restaurants, ideal for areas near steamers, dishwashers, and other high-volume wastewater equipment.
  • 20″ (500 mm) internal width with 2.56″ (65 mm) invert depth
  • Dry-sump, fully drainable design eliminates standing water and odors
  • Internal radii ≥ 1/8″ (3 mm) promote effective cleaning and hygiene
  • Reinforced flat-bottom profile for added strength in wider systems
  • Slip-resistant, lockable grates certified to 5 tons (ASME A112.6.3 / EN 1433)
  • Edge infill ensures sealed transition to surrounding flooring
  • Outlet options: ACO Pipe 200 mm, ACO P-Trap, or ACO FloorDrain 12″ body with 4″ / 6″ outlet
  • Available in AISI 304 or AISI 316L stainless steel, pickled and passivated
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Technical Documents

  • Product Literature
    Sanitary Industrial Stainless Steel Drainage
    Stainless Floor Sinks
    BoxDrain 20″
    • ACO Stainless Steel Resistance Table PDF
    • ACO Building Drainage – 304 vs 316L Stainless Steel PDF
    • ACO Building Drainage Brewery Brochure PDF
    • ACO Building Drainage Commercial Kitchen Brochure PDF
    • ACO Building Drainage Food & Beverage Brochure PDF
    • ACO Building Drainage Winery Brochure PDF
    • ACO FloorDrain Top & ACO BoxDrain Installation Guide PDF
    • ACO Stainless Catalog VIEW
  • Specification Drawings
    Sanitary Industrial Stainless Steel Drainage
    Stainless Floor Sinks
    BoxDrain 20″
    • ACO BoxDrain – Frameless Ladder Grate Spec Sheet PDF
    • ACO BoxDrain – Ladder Grate Spec Sheet PDF
    • ACO BoxDrain – Mesh Grate Spec Sheet PDF
    • ACO BoxDrain – Slot Cover Grate Spec Sheet PDF
    • ACO BoxDrain 20 Inch Channels – Spec Sheet PDF

Grates

When selecting a grate for your system, consider the following: Load Class (resistance to pressure failure), Grate Length, Site Needs (e.g. ADA compliance, heel-resistance, etc.), Grate Material (affects load class, corrosion resistance, weight, general appearance), and Grate Design (affects intake area and aesthetics). For further detail, a Grate Visualizer is available here for this system.

Available Grates:

  • Ladder

    Ladder

    Part No. 416831

    Light Duty (ASME) – ≤2,000 LBS
    Width 18.43"
    Length 15.75"
    Slot Size 18.43" x 0.79" avg.
    Intake Area 221.10 in2
    Weight 22.30 lbs
    Anti-Slip Chem Resist Hygienic LEED Certified NSF Certified
    Spec sheet
  • Ladder

    Ladder

    Part No. 416829

    Light Duty (ASME) – ≤2,000 LBS
    Width 18.43"
    Length 19.69"
    Slot Size 18.43" x 0.79" avg.
    Intake Area 279.00 in2
    Weight 27.60 lbs
    Anti-Slip Chem Resist Hygienic LEED Certified NSF Certified
    Spec sheet
  • Ladder

    Ladder

    Part No. 416830

    Light Duty (ASME) – ≤2,000 LBS
    Width 18.43"
    Length 15.75"
    Slot Size 18.43" x 0.79" avg.
    Intake Area 221.10 in2
    Weight 22.30 lbs
    Anti-Slip Chem Resist Hygienic LEED Certified NSF Certified
    Spec sheet
  • Ladder

    Ladder

    Part No. 416828

    Light Duty (ASME) – ≤2,000 LBS
    Width 18.43"
    Length 19.69"
    Slot Size 18.43" x 0.79" avg.
    Intake Area 279.00 in2
    Weight 27.60 lbs
    Anti-Slip Chem Resist Hygienic LEED Certified NSF Certified
    Spec sheet
  • Mesh

    Mesh

    Part No. 416875

    Light Duty (ASME) – ≤2,000 LBS
    Width 18.43"
    Length 15.75"
    Slot Size 0.91" x 0.91" avg.
    Intake Area 240.40 in2
    Weight 11.00 lbs
    Anti-Slip Chem Resist LEED Certified
    Spec sheet
  • Mesh

    Mesh

    Part No. 416873

    Light Duty (ASME) – ≤2,000 LBS
    Width 18.43"
    Length 19.69"
    Slot Size 0.91" x 0.91" avg.
    Intake Area 302.50 in2
    Weight 13.60 lbs
    Anti-Slip Chem Resist LEED Certified
    Spec sheet
  • Mesh

    Mesh

    Part No. 416874

    Light Duty (ASME) – ≤2,000 LBS
    Width 18.43"
    Length 15.75"
    Slot Size 0.91" x 0.91" avg.
    Intake Area 240.40 in2
    Weight 11.00 lbs
    Anti-Slip Chem Resist LEED Certified
    Spec sheet
  • Mesh

    Mesh

    Part No. 416872

    Light Duty (ASME) – ≤2,000 LBS
    Width 18.43"
    Length 19.69"
    Slot Size 0.91" x 0.91" avg.
    Intake Area 302.50 in2
    Weight 13.60 lbs
    Anti-Slip Chem Resist LEED Certified
    Spec sheet
  • Ladder

    Ladder

    Part No. 416835

    Medium Duty (ASME) – 2,000-4,999lbs
    Width 18.43"
    Length 15.75"
    Slot Size 18.43" x 0.79" avg.
    Intake Area 214.60 in2
    Weight 29.20 lbs
    Anti-Slip Chem Resist Hygienic LEED Certified NSF Certified
    Spec sheet
  • Ladder

    Ladder

    Part No. 416833

    Medium Duty (ASME) – 2,000-4,999lbs
    Width 18.43"
    Length 19.69"
    Slot Size 18.43" x 0.79" avg.
    Intake Area 269.80 in2
    Weight 37.30 lbs
    Anti-Slip Chem Resist Hygienic LEED Certified NSF Certified
    Spec sheet
  • Ladder

    Ladder

    Part No. 416834

    Medium Duty (ASME) – 2,000-4,999lbs
    Width 18.43"
    Length 15.75"
    Slot Size 18.43" x 0.79" avg.
    Intake Area 214.60 in2
    Weight 29.20 lbs
    Anti-Slip Chem Resist Hygienic LEED Certified NSF Certified
    Spec sheet
  • Ladder

    Ladder

    Part No. 416832

    Medium Duty (ASME) – 2,000-4,999lbs
    Width 18.43"
    Length 19.69"
    Slot Size 18.43" x 0.79" avg.
    Intake Area 269.80 in2
    Weight 37.30 lbs
    Anti-Slip Chem Resist Hygienic LEED Certified NSF Certified
    Spec sheet

Case Studies

San Antonio Food Bank

San Antonio Food Bank

ACO BoxDrain was installed throughout the San Antonio Food Bank’s new culinary building and cold storage areas to deliver hygienic stainless drainage. The system resists corrosion and harsh cleaners, withstands heat, and cleans quickly, matching the equipment aesthetic. ACO partnered in design with drawings to tailor runs and details.
View Case Study
Gate Gourmet

Gate Gourmet

ACO BoxDrain was installed across Gate Gourmet’s kitchens and cart wash areas to meet strict sanitation in a high throughput food service environment. The stainless steel system resists frequent washdowns and corrosion, and tailored layouts with grate options align with traffic patterns to deliver durable, low maintenance drainage.
View Case Study
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