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Warranty

Multi-Unit Certified

Built for zero-variance multi-unit rollouts.

ServiceField Serviceable
LockCompliance Lock
SettingsRollout Ready

Concierge Service Included

White-glove delivery & setup

Warehouse inspection before ship
Coordinated delivery & install
No hidden fees or surprises
Learn more

Bulk Procurement Pricing

Tiered discounts applied automatically at checkout

Store-Wide Tiered Savings
Backroom QtyDiscountPrice / UnitAction
2 Units-2%
$170.64
3 Units-3%
$168.90
4 Units-4%
$167.16
5+ Units-5%
$165.41
Check

Bulk discounts bypass normal MAP pricing restrictions for commercial procurement.

Product Description

Overview

The Krowne 21-450L Vacuum Breaker Assembly is an essential component for any new restaurant kitchen buildout. Designed to convert your Royal Series faucet into a utility sprayer or pot filler, this assembly supports your commercial kitchen equipment needs by providing reliable backflow prevention. With compliance to low lead standards and capability to handle temperatures up to 210°F, it ensures your restaurant opening meets critical health and safety requirements. Concept Services partners with you to source, inspect, and install this vital equipment, helping you achieve a seamless kitchen setup and faster path to revenue.

Key Features

  • Vacuum Breaker Functionality: Prevents hazardous backflow, protecting your kitchen water supply and ensuring NSF certified safety compliance.
  • High Temperature Tolerance: Rated for temperatures up to 210°F, suitable for hot water applications commonly found in commercial kitchens.
  • Low Lead Compliant: Meets stringent lead content standards, ensuring safe water delivery in your foodservice environment.
  • Compatibility: Converts Royal Series faucets to utility sprayers or pot fillers effortlessly, adding versatility to your kitchen setup.
  • Durable Construction: Built to withstand the rigors of a busy restaurant kitchen, contributing to long-term reliability and reduced maintenance costs.
    • Compact Design: Minimal space requirement makes it ideal for tight kitchen buildouts without sacrificing performance.
    • Easy Installation: Designed for professional installation with Concept Services to ensure proper utility connections and compliance.
    • Compliance Support: Helps your new restaurant meet health and fire code regulations seamlessly.

Built for Commercial Success

The Krowne 21-450L Vacuum Breaker Assembly offers durability and reliability essential for commercial kitchen operations. Its robust design minimizes downtime and maintenance expenses, providing you with a strong return on investment. By preventing backflow, it protects your kitchen’s water supply integrity, supporting a safe and compliant restaurant environment that stands the test of time.

Specifications at a Glance

  • Model: 21-450L
  • Manufacturer: Krowne
  • Temperature Rating: Up to 210°F
  • Compliance: Low Lead Compliant
  • Application: Converts Royal Series Faucet to Utility Sprayer or Pot Filler

Why Restaurant Owners Choose This

Restaurant owners trust the Krowne 21-450L Vacuum Breaker Assembly for its proven reliability and compliance features. It plays a vital role in the plumbing system, ensuring safe water flow and preventing contamination risks—critical for passing health inspections. With Concept Services handling sourcing, inspection, and installation, you get the peace of mind that your commercial kitchen equipment is installed correctly and ready for a fast restaurant opening.

Critical Specifications

Voltage115/60/1
Amps3.2 Amps
NEMA Plug5-15P
Overall Dimensions48" W x 30" D x 36" H
Net Weight245 lbs
Material304 Stainless Steel
RefrigerantR-290 Hydrocarbon
Temperature Range33°F to 41°F
Compressor HP1/3 HP
Door Opening21.5" W x 23" H
Shelf Capacity90 lbs per shelf
Bin Capacity350 lbs
Drain Connection1" IPS
Liner MaterialPolyethylene (Sanitary)
Settings
Engineering Note: Specs shown are for the standard configuration. Custom brand-specific modifications (voltage, cord length, feet) may apply based on your account settings. Check your Account Standards page for variances.
File

Procurement Pack

Download all required documentation for approval, compliance, and installation in one click.

FileSpec Sheet
PDF1.2 MBDownload
FileInstallation Guide
PDF3.4 MBDownload
FileCAD / Revit Files
ZIP14 MBDownload
FileNSF/UL Certifications
PDF0.8 MBDownload
FileW-9 & Insurance (COI)
PDF0.5 MBDownload

Rollout & Lead Times

1-5 Units
Ships in 48 Hours
Standard Stock
6-20 Units
Ships in 5-7 Days
Pallet Freight
21+ Units
Schedule Production
Dedicated Run
ShippingFor strict project deadlines, please contact Contract Sales to reserve inventory.
For Multi-Unit Buyers

Planning a Rollout?

Get volume pricing, coordinated delivery, and dedicated support when ordering this equipment for multiple locations.

Volume Pricing Tiers

UnitsDiscountLead Time
5-105%2-3 weeks
11-258%3-4 weeks
26-5010%4-6 weeks
50+CustomScheduled Production

* Final pricing based on total order value and delivery requirements. Contact us for a custom quote.

Multi-Unit Services Included

Centralized warehousing & staging
Staggered delivery to match construction schedule
Single invoice for all locations
Dedicated project manager
Warranty coordination across locations
Equipment standardization consulting

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