GSW USA 3935A04 31 Inch Grease Interceptor with 35 GPM Capacity

The GSW USA 3935A04 Endura® Grease Interceptor Medium is a commercial-grade wastewater management solution designed for foodservice facilities with medium flow requirements. Engineered to handle up to 35 GPM, this grease interceptor features a durable one-piece tank constructed from high-quality materials, capable of supporting a 440 lbs. cover load and 139 lbs. grease capacity. Its advanced flow control device and odor lock cover gasket ensure efficient, hygienic operation in restaurant kitchens or commercial kitchens, effectively separating fats, oils, and grease from wastewater while maintaining optimal temperature discharge at 220°F (104°C). With installation features tailored for seamless integration, the Endura® model offers precise technical specifications for reliable, long-term performance in demanding foodservice environments.

Top GSW USA 3935A04 Features

The GSW USA 3935A04 Endura® Grease Interceptor provides reliable medium-capacity performance for commercial kitchen wastewater flow. Its stainless steel construction ensures durability under high temperatures and frequent use. The unit features EZ-open cover latches for easy access, facilitating routine maintenance. Designed with a 2-piece flow control device and a 4" inlet/outlet, it seamlessly integrates into existing plumbing systems. Its large grease capacity and cover load support high-volume kitchen operations, making it suitable for busy restaurant environments. The unit’s design minimizes odor escape, supporting sanitary kitchen workflows.

• Flow Rate: Supports 35 GPM for steady wastewater handling
• Material: Heavy-duty stainless steel for corrosion resistance and durability
• Ease of Maintenance: EZ-open cover latches enable quick servicing
• High Capacity: 139 lbs. grease capacity for continuous kitchen use
• Temperature Tolerance: Discharges at up to 220°F (104°C) within operational limits

Ideal for restaurant kitchen installations requiring efficient grease separation with minimal downtime and robust performance.

GSW USA 3935A04 Technical Specs

The GSW USA 3935A04 Endura® Grease Interceptor features a corrosion-resistant stainless steel body with dimensions of 31 inches in width, 23.5 inches in depth, and 17.5 inches in height, weighing approximately 57 lbs. Its flow rate capacity is 35 GPM, supporting medium-volume commercial kitchen operations. Designed for reliable performance within a temperature range up to 220°F (104°C), it employs a durable, NSF-approved construction suitable for continuous use in foodservice settings. The unit is CSA certified and built for straightforward integration into existing plumbing systems via 4-inch inlet and outlet connections. Its maintenance-friendly configuration includes an odor lock gasket and a cover with EZ-open latches for quick access, supporting long-term sanitation and operational efficiency.

• Electrical Requirements: Not applicable, designed for plumbing integration
• Dimensions: 31" W x 23.5" D x 17.5" H
• Weight: 57 lbs., shipping weight included
• Construction Material: Stainless steel with corrosion-resistant finish
• Temperature Range: Discharges up to 220°F (104°C)
• Connections: 4" inlet and outlet compatible with standard plumbing
• Cleaning & Maintenance: EZ-open cover latches facilitate quick service
• Food Safety: Constructed from NSF and CSA approved materials
• Usage Compatibility: Suitable for continuous operation within allowed temperature limits
• Storage & Access: Clear access points for cleaning and inspection

Installation Scenario: Requires proper drainage clearance, plumbing hookup, and ventilation pathways

Maintenance Routine: Regular inspection and cleaning via EZ-open cover

Maintenance Access: Top cover with quick-release latches for efficient servicing

Flow Compatibility: Designed for connection to standard 4" plumbing lines

Operational Environment: Suitable for high-temperature kitchen wastewater discharge

What is a commercial grease interceptor?

A commercial grease interceptor is an engineered wastewater treatment unit designed to separate fats, oils, and grease from kitchen effluent. The GSW USA 3935A04 Endura® Grease Interceptor is installed in restaurant or foodservice plumbing systems to prevent grease buildup in sewers, ensuring compliance with plumbing codes. It consists of a robust stainless steel tank that handles continuous flow, with capacities supporting medium-flow applications such as busy kitchens. The unit's technical features include high-temperature discharge support, odor control, and easy access for maintenance. It is ideal for restaurant kitchens, cafeteria facilities, and other commercial foodservice operations requiring reliable grease management with straightforward installation and long-term performance.

Top Commercial Grease Interceptor for Medium-Volume Foodservice Settings

The GSW USA 3935A04 is a top commercial grease interceptor designed for medium-volume restaurant kitchens, featuring high durability, seamless integration, and efficient grease separation. Manufactured by GSW USA, it provides reliable performance suited for operation in busy foodservice environments, ensuring compliance and sanitation.

• Operation Type — optimized for commercial kitchens with steady wastewater flow
• Kitchen Setting — suitable for restaurant or cafeteria installations
• Foodservice Category — designed for establishments generating significant grease waste
• Workload Qualification — supports moderate throughput demands in busy environments
• Use Case — ideal for kitchen wastewater management and grease control

Why Choose GSW USA 3935A04?

GSW USA 3935A04 stands out among commercial grease interceptors by featuring a robust stainless steel build, high-capacity grease retention, and simplified maintenance access. Its design minimizes odors and maximizes operational efficiency, making it well-suited for high-demand foodservice environments that require reliable grease management. The unit’s durable construction and precise flow control support consistent, leak-free performance, reducing downtime and contamination risks in busy kitchens.

• Compact, corrosion-resistant stainless steel design enhances longevity
• Features EZ-open cover for quick, safe maintenance
• Supports high-temperature discharge up to 220°F (104°C)
• Seamless plumbing integration with 4" inlet/outlet connections
• Optimized for medium-volume restaurant and cafeteria applications