The Watts WD-4 Watts Grease Interceptor is a commercial-grade waste management device engineered for foodservice facilities requiring efficient grease retention and drainage management. Designed for consistent performance, this model features a flow rate of 4 gallons per minute and an 8-pound grease capacity, facilitating continuous operation in medium-volume kitchens. Constructed from epoxy-coated steel with a solid steel cover and gasket, it ensures durability and ease of maintenance. Equipped with a deep seal trap and removable baffle assembly, the WD-4 separates kitchen effluents effectively, preventing grease buildup and clogging within plumbing systems. Its 2" inlet and outlet connections, alongside external cast iron flow control fittings, enable seamless integration into existing drainage infrastructure. Ideal for restaurant kitchens and commercial food processing plants, it balances robust build quality with functional design for reliable grease interception at critical workflow points.
Top Watts WD-4 Features
The Watts WD-4 grease interceptor offers a dependable solution with a 4 GPM flow rate and 8 lb grease capacity, suited for moderate foodservice throughput. Its epoxy-coated steel construction ensures long-term durability, resistant to corrosion from kitchen effluents. The removable baffle and deep seal trap simplify cleaning routines, minimizing downtime. Designed for easy plumbing integration with 2" inlet/outlet and external cast iron flow control fittings, it fits seamlessly into commercial kitchen drainage systems. Its solid steel cover with gasket and hex head bolts ensure secure closure and sanitation. This model supports continuous operation in kitchens with steady grease discharge, optimizing workflow and maintaining plumbing efficiency.
- Flow Rate: 4 GPM for steady grease removal
- Material: Epoxy-coated steel for corrosion resistance
- Maintenance: Removable baffle simplifies cleaning access
- Connectivity: 2" inlet and outlet for straightforward plumbing
- Durability: Solid steel cover with gasket for long-term use
Ideal for medium-volume commercial kitchens needing reliable grease separation.
Watts WD-4 Technical Specs
The Watts WD-4 grease interceptor is designed for robust performance in commercial foodservice environments with precise technical parameters. It features a 4 GPM flow rate and supports up to 8 pounds of grease capacity, ideal for steady waste loads. Its construction from epoxy-coated steel ensures resistance to corrosion, while the external cast iron flow control fitting maintains consistent flow regulation. With a 38-pound weight, it accommodates easy installation and handling, and its dimensions are optimized for spaceefficient integration—specific measurements are engineered to align with standard piping configurations. The unit operates passively, with no electrical requirements, relying solely on gravity flow and gravity-based sealing mechanisms for continuous performance and sanitation.
- Flow Rate: 4 gallons per minute capacity
- Material: Epoxy-coated steel construction
- Dimensions: Optimized for standard plumbing integration
- Weight: 38 lbs for ease of installation
- Connections: 2-inch inlet and outlet with cast iron fittings
- Operating Range: Resistant to typical kitchen temperatures
- Cleaning: Removable baffle for straightforward maintenance
- Flow Control: External cast iron fitting for precise regulation
What is a commercial grease interceptor?
A commercial grease interceptor is a plumbing device designed to trap and separate fats, oils, and grease from wastewater in foodservice establishments. Installed in kitchen drainage systems, it prevents grease build-up in pipes and municipal sewer lines, ensuring compliance with sanitation standards. The Watts WD-4 is a model tailored for medium-volume kitchens, with a 4 GPM flow rate and 8-pound grease holding capacity. Its epoxy-coated steel construction and removable baffle facilitate easy installation and maintenance, supporting efficient waste management in restaurants, cafeterias, and catering facilities. This device plays a crucial role in maintaining plumbing integrity and operational flow in busy foodservice environments.
Top Grease Interceptors for Commercial Foodservice in Hospitality
Designed for medium-capacity kitchens with steady effluent flow, the Watts WD-4 combines durable epoxy-coated steel with high-performance grease separation. Suitable for restaurant and catering settings, it supports efficient workflow by managing kitchen waste effectively, ensuring system longevity and sanitation. Watts WD-4 is ideal for operations requiring reliable grease capture and seamless plumbing integration.
- Operation Type — Medium-volume restaurant kitchens
- Kitchen Setting — Commercial foodservice facilities
- Foodservice Category — Grease management equipment
- Workload Qualifier — Moderate throughput needs
- Use Case — Continuous grease separation for efficient drainage
Why Choose Watts WD-4?
Watts WD-4 stands out among grease interceptors with its durable epoxy-coated steel construction, practical design for easy maintenance, and proven performance in medium-volume kitchens. Its external cast iron flow control fitting and solid steel cover ensure longevity and sanitation, reducing downtime. The unit's space-efficient profile and reliable grease capacity make it a preferred choice for foodservice operations seeking efficient waste management solutions that align with plumbing standards and workflow demands.
- Compact footprint suited for space-constrained kitchens
- Robust construction with corrosion-resistant epoxy coating
- No hub connections for streamlined installation
- External cast iron flow control fit for precise flow regulation
- Removable baffle simplifies routine cleaning
