Fisher 22438 3-1/2 Inch Twist Waste Valve Flat Strainer Overflow Body

The Fisher 22438 DrainKing Waste Valve Flat Strainer Overflow Body is a commercial-grade twist waste valve designed for precise flow control and durability in foodservice environments. Constructed with a cast red brass body and featuring a stainless steel ball, it maintains reliable performance under frequent use. This model supports a 12 GPM drain rate via a 1-1/2\" or 2\" drain outlet, optimized for installing in sinks with a 3-1/2\" opening, making it suitable for restaurant and institutional kitchens seeking efficient waste management solutions.

Top Fisher 22438 Features

The Fisher 22438 Waste Valve with flat strainer and overflow body offers a robust, corrosion-resistant design tailored for high-volume kitchen workflows. Its stainless steel ball ensures long-lasting operation, with straightforward maintenance and easy disassembly. Designed for seamless integration into sink drain systems, it supports efficient waste flow and prevents clogs, ideal for commercial kitchen settings handling moderate throughput.

• Reinforced cast red brass body provides excellent durability against corrosion
• Stainless steel ball enhances wear resistance and precise flow control
• 12 GPM drain rate optimized for quick waste removal in foodservice applications
• Flat strainer and overflow body facilitate debris capture and overflow prevention
• Compact design with 3-1/2" sink opening for easy retrofit with existing plumbing

Suitable for installation in restaurant sinks, these waste valves improve workflow by ensuring efficient drainage and minimal maintenance.

Fisher 22438 Technical Specs

The Fisher 22438 DrainKing Waste Valve features a durable cast red brass construction with a stainless steel ball for enhanced longevity. It accommodates a 3-1/2" sink opening and offers a drain outlet size of 1-1/2\" or 2\", supporting a flow rate of 12 GPM. The unit weighs approximately 5.5 lbs and includes a flat strainer and overflow body for comprehensive waste management. Designed for ease of installation and maintenance, it operates efficiently within standard foodservice plumbing setups, with no electrical requirements. Its corrosion-resistant materials make it suitable for high-humidity environments, and it can withstand typical temperatures encountered in restaurant sinks.

• Material: Cast red brass with stainless steel ball
• Drain capacity: 12 GPM maximum flow rate
• Weight: 5.5 lbs
• Outlet size: 1-1/2\" or 2\" drain outlet
• Installation: Supports 3-1/2\" sink openings, quick with compatible plumbing setups
• Finish: Durable cast brass with corrosion-resistant finish

Strong, corrosion-resistant body supports long-term durability in commercial kitchens

No electrical requirements simplifies installation and maintenance workflows

Supports a 12 GPM drain flow for efficient waste removal

Heavy-duty stainless steel ball ensures reliable operation over time

Supports consistent performance in high-use environments

What is a commercial twist waste valve

A commercial twist waste valve is an essential plumbing component designed for efficient waste evacuation in foodservice and hospitality settings. The Fisher 22438 DrainKing Waste Valve features a durable cast red brass body and a stainless steel ball, supporting a 12 GPM drain rate and fitting sink openings of 3-1/2\" with outlet sizes of 1-1/2\" or 2\". Typically installed in restaurant kitchens, it facilitates quick waste removal while preventing clogs through integrated strainers and overflow bodies, making it an ideal solution for mid-volume foodservice operations focused on sanitation and workflow efficiency.

Top commercial Drain, Lever / Twist Waste for foodservice settings

The Fisher 22438 DrainKing Waste Valve is built for medium-flow commercial kitchens requiring reliable, durable waste management solutions. Fisher 22438 supports efficient drainage and ease of maintenance, making it suitable for restaurant applications, institutional cafeterias, and food prep stations with moderate throughput. It is designed for operation in high-use environments, ensuring long-term performance in busy foodservice workflows.

• Operation type — ideal for commercial kitchens with moderate waste flow
• Kitchen setting — suited for busy restaurant sinks and prep areas
• Foodservice category — effective in institutional cafés and food production facilities
• Workload qualifier — supports medium throughput demands
• Use case — ensures efficient, sanitary waste drainage during daily kitchen operations

Why Choose Fisher 22438 DrainKing Waste Valve

Why Choose Fisher 22438 DrainKing Waste Valve over similar waste management components? Its heavy-duty cast brass construction and stainless steel ball provide superior durability and corrosion resistance. The compact, streamlined design simplifies installation in existing sink setups, while supporting a high drain rate with minimal maintenance. This model's robust build enhances operational efficiency, sanitation, and long-term reliability in foodservice environments, making it a standout in commercial waste drainage solutions.

• Self-contained design supports quick installation and integration
• Corrosion-resistant cast brass extends product lifespan and reduces maintenance
• Supports a 12 GPM drain rate for efficient waste disposal in busy kitchens
• Heavy-duty stainless steel ball for wear resistance and precise flow control
• Compact footprint with 3-1/2\" sink opening suitable for diverse plumbing configurations