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Why you’ll love it

RestaurantSupply.com is your trusted source for Fisher levers and twist waste drain parts.

  • Authorized Fisher dealer, ensuring genuine commercial restaurant equipment and manufacturer support
  • Fast shipping available on in-stock Fisher 21393 levers and twist waste drain parts
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

Fisher 21393 Diameter 2.5 Inch DrainKing Nut Rotor Brass with Corrosion Resistance

Fisher  |  MFG #: 21393  |  Item #: 1694272
Item: #1694272

Technical details
Manufacturer Fisher
Model Number 21393
Manufacturer Part # 21393
Parts Nut
UPC 642889213937

About this item

Product Details

The Fisher 21393 DrainKing Nut Rotor Brass is a precision-engineered drain part designed for commercial plumbing applications. Constructed from high-quality brass, this nut rotor component ensures durability and resistance to corrosion in demanding foodservice environments. Its precise threading and robust material make it suitable for use in twist waste assemblies and related drain systems, providing a reliable sealing function. As a key part in lever and twist waste setups, the DrainKing Nut facilitates secure connections in restaurant, cafeteria, and institutional kitchen plumbing, operating effectively within standard system parameters. Its model number 21393 indicates compatibility with a range of Fisher drain components, offering professionals a dependable solution for maintaining optimal waste management.

Top Fisher 21393 Features

Designed for commercial plumbing systems, the DrainKing Nut Rotor Brass features precise brass threading for reliable sealing in twist waste assemblies. Its corrosion-resistant brass body offers long-term durability under frequent usage, simplifying maintenance in high-traffic kitchen environments. The component's compact, standardized size ensures quick installation and easy replacement, fitting seamlessly into existing systems. Suitable for use in restaurant, institutional, and foodservice operations, it enhances workflow efficiency by reducing downtime. Its robust construction supports repetitive disassembly and reassembly, ideal for routine maintenance or system upgrades.

  • Function and performance: Ensures secure, leak-proof connections in twist waste assemblies.
  • Durability traits: Made from resilient brass for corrosion and wear resistance.
  • Ease of-use or maintenance: Standardized threading allows simple installation and removal.
  • Real-world fit: Compatible with Fisher drain systems in commercial kitchens.
  • Workflow benefit: Supports quick repair and system servicing, minimizing downtime.

Ideal for replacing worn or damaged drain nuts in restaurant kitchens and institutional foodservice facilities.

Fisher 21393 Technical Specs

Constructed entirely from high-grade brass, the Fisher 21393 DrainKing Nut Rotor features a standard threading diameter compatible with Fisher twist waste systems. It operates efficiently within typical plumbing pressure ranges, with a finish designed to withstand frequent cleaning routines common in commercial kitchens. The component measures approximately 2.5 inches in diameter, with a height of 0.75 inches, and weighs around 0.2 lbs, ensuring lightweight handling and quick installation. Its corrosion-resistant properties support sustained performance in moist environments, while the precise manufacturing ensures tight, leak-resistant seals. The nut’s design accommodates common twist waste configurations, making it suitable for a variety of commercial drain setups. Maintenance involves minimal disassembly, with the brass construction offering ease of cleaning and longevity in active foodservice settings.

  • Material: Brass for corrosion and wear resistance
  • Dimensions: Diameter 2.5 inches, Height 0.75 inches
  • Weight: Approximately 0.2 lbs
  • Finish: Corrosion-resistant brass
  • Compatibility: Fits Fisher twist waste drainage systems

What is a commercial drain part

A commercial drain part like the Fisher 21393 DrainKing Nut Rotor Brass is a crucial component in plumbing assemblies, primarily used for securing twist waste and lever drain connections. These parts are typically installed in restaurant, cafeteria, and institutional kitchens to ensure leak-proof, durable seals within waste management systems. The Fisher 21393 model is manufactured from brass, offering reliable performance and resistance to corrosion, suitable for high-use environments. This part is commonly employed in maintaining and repairing drain assemblies, providing a cost-effective solution for routine plumbing maintenance in foodservice settings.

Top Drain Parts for Foodservice Settings

Commercial drain parts like the Fisher 21393 DrainKing Nut Rotor Brass are built for dependable performance in busy kitchen environments. They are suited for medium workload operations, installed in restaurant or cafeteria drains to facilitate efficient waste removal and maintenance. Fisher 21393 parts are designed to withstand frequent use, supporting consistent kitchen workflows in institutional and foodservice facilities.

  • Operation type — medium-volume restaurant kitchen plumbing
  • Kitchen type — compact commercial foodservice spaces
  • Foodservice category — drain system components
  • Workload qualifier — moderate throughput maintenance
  • Use case — routine drain system repair and replacement

Why Choose Fisher 21393 DrainKing Nut Rotor Brass?

Fisher 21393 DrainKing Nut Rotor Brass offers superior durability and corrosion resistance compared to generic alternatives, with high-precision brass craftsmanship suitable for commercial plumbing. Its compact, robust design ensures reliable sealing in twist waste systems, facilitating quick repairs and reducing downtime. The use of premium materials and meticulous manufacturing elevates its service life in demanding foodservice environments, supporting efficient kitchen operations and long-term system integrity.

  • Unique brass construction enhances longevity over standard plastic alternatives
  • Precisely machined threading for consistent, secure fit
  • Corrosion-resistant finish ideal for moist kitchen environments
  • Designed for easy installation and maintenance in commercial plumbing
  • Compact footprint compatible with various drain configurations

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Fisher

Fisher 21393 Diameter 2.5 Inch DrainKing Nut Rotor Brass with Corrosion Resistance

$5.00 $8.50

Fisher, 21393, DrainKing Nut, rotor, brass