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$26.54 $48.25
You save $21.71 (45%)

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Why you’ll love it

RestaurantSupply.com is your trusted source for Krowne faucet parts & accessories.

  • Authorized Krowne dealer, ensuring genuine commercial restaurant equipment and manufacturer support
  • Fast shipping available on in-stock Krowne 21-440L faucet parts & accessories
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

Optional 3/8 Inch Copper Water Line Kit with Quick Connect Fitting, Krowne 21-440L

Krowne  |  MFG #: 21-440L  |  Item #: 323644
Item: #323644

Technical details
Manufacturer Krowne
Model Number 21-440L
Manufacturer Part # 21-440L
Parts Hose
UPC 822196414405

About this item

Product Details

The Krowne 21-440L Royal Series E-Z Install Faucet Water Line Kit is a specialized plumbing accessory designed for commercial foodservice applications requiring reliable water connectivity. It features two 14-inch straight copper lines with a 3/8-inch diameter, optimized for swift installation in restaurant, bar, or institutional facilities. The kit includes quick connect fittings for streamlined setup and black rubber washers to ensure leak-proof operation, making it ideal for precise faucet water supply connections in medium-volume kitchen environments.

Top Krowne 21-440L Features

The Krowne 21-440L water line kit delivers durable copper lines suited for high-use commercial plumbing. Its quick connect fittings facilitate fast installation and maintenance, while the included rubber washers provide secure, leak-resistant connections. Engineered for ease of integration with Royal Series faucets, these copper lines withstand high temperatures and frequent disassembly, ideal for busy foodservice settings. The 14-inch length offers flexibility for tight installation spaces and versatile flow management in restaurant prep areas or bar stations.

  • Functionality: Facilitates efficient faucet water connections in commercial settings
  • Durability: Copper construction resists corrosion and high temperatures
  • Ease of Maintenance: Quick connect fittings simplify installation and replacement
  • Application Fit: Ideal for under-sink faucet setups in foodservice environments
  • Workflow Integration: Supports streamlined service workflows with reliable, quick-connect design

Suitable for professional plumbing installations requiring durable and easy-to-maintain water lines

21-440L Technical Specs

The Krowne 21-440L water line kit consists of two 14-inch long, 3/8-inch diameter copper lines engineered for high-performance plumbing in commercial kitchens. The copper tubing offers superior corrosion resistance and thermal stability suitable for foodservice water supply needs. Each line features quick connect fittings, enabling rapid connections without specialized tools, and includes black rubber washers to ensure leak-proof operation. With a straightforward design, this kit supports reliable faucet installation and servicing in moderate workflow settings, such as restaurant prep stations and bar sinks. Dimensions and material specifications align with industry standards for durable, hygienic plumbing components. The product’s construction from high-quality copper enhances longevity, while the simple disassembly benefits routine maintenance and repairs. It is compatible with Royal Series faucets, and its design supports efficient workflow integration in busy commercial kitchens.

  • Application Compatibility: Designed for faucet connections in restaurant and bar environments
  • Material: 3/8" diameter copper tubing for corrosion and heat resistance
  • Dimensions: 14-inch length for flexible installation in tight spaces
  • Connections: Quick connect fittings with included rubber washers for leak prevention
  • Installation Requirements: Suitable for straightforward plumbing setups with minimal tools

What is a commercial faucet water line kit?

A commercial faucet water line kit is a plumbing component designed to connect faucet fixtures to water supplies within restaurant, bar, or foodservice facilities. The Krowne 21-440L kit includes two 14-inch copper lines with quick connect fittings, tailored for reliable and hygienic water delivery to commercial-grade faucets. Commonly installed under sinks or prep stations, these kits facilitate efficient water flow management for handwashing, equipment, or beverage dispensing, supporting high-capacity workflows typical of medium-volume foodservice operations.

Top faucet water line kits for commercial foodservice environments

Designed for medium-volume foodservice workflows, the Krowne 21-440L offers durable copper construction with quick connection ease, optimal for restaurant installations. Krowne 21-440L is suitable for professional plumbing setups, supporting fast, reliable faucet connection in busy commercial kitchens. Ideal for restaurant, bar, or prep environments with moderate throughput, ensuring efficient water supply alignment and maintenance. The kit’s quality build and flexible length support diverse installation scenarios, making it a staple in commercial plumbing systems.

  • Medium-Volume Operations — optimized for restaurant faucet connections
  • Commercial-Grade Durability — copper tubing resists corrosion under high use
  • Compatibility — fits standard Royal Series faucets and common plumbing setups
  • Ease of Installation — quick connect fittings for professional plumber or on-site tech use
  • Versatile Fit — 14-inch lines adaptable for tight and standard installation spaces

Why Choose Krowne 21-440L?

The Krowne 21-440L water line kit distinguishes itself with high-quality copper tubing, durable fittings, and straightforward installation features that improve operational efficiency in commercial foodservice settings. Its design emphasizes longevity, leak resistance, and ease of maintenance, supporting consistent water supply in busy kitchens. Compared to competing models, the 21-440L offers a reliable, professional-grade solution optimized for medium-flow environments, reducing downtime and maintenance efforts in restaurant plumbing systems.

  • Self-contained copper construction for longevity and corrosion resistance
  • Streamlined quick connect fitting system for fast setup and repairs
  • Compatible with Royal Series faucet models for seamless integration
  • Compact, 14-inch length supports installation in narrow spaces
  • Designed for moderate use environments with consistent performance

Customer reviews

Krowne 21-440L Royal Series E-Z Install Faucet Water Line Kit Includes: (2) 14" Long X 3/8" Diameter Straight Copper Lines
Krowne

Optional 3/8 Inch Copper Water Line Kit with Quick Connect Fitting, Krowne 21-440L

$26.54 $48.25

Krowne, 21-440L, Royal Series E-Z Install Faucet Water Line Kit, includes: (2) 14" long x 3/8" diameter straight copper lines, quick connect fitting, (2) black rubber washers