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$708.24 $1,765.70
You save $1,057.46 (60%)

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Why you’ll love it

RestaurantSupply.com is your trusted source for Watts grease interceptors.

  • Authorized Watts dealer, ensuring genuine commercial restaurant equipment and manufacturer support
  • Fast shipping available on in-stock Watts WD-20 grease interceptors
  • Competitive pricing backed by a 30-day price match guarantee
Additional Question? Ask an Expert

Watts WD-20 Grease Interceptor 20 GPM 40 Lb Capacity Durable Steel Construction

Watts  |  MFG #: WD-20  |  Item #: 32710  |  UPC #: 00094703677829
Item: #32710

Technical details
Manufacturer Dormont Manufacturing
Model Number WD-20
Manufacturer Part # WD-20
Flow Rate 20 GPM
Draw-off Without
Weight 81 lbs

About this item

Product Details

The Watts WD-20 Watts Grease Interceptor is a commercial-grade wastewater treatment component designed for foodservice operations requiring efficient grease separation. Engineered by Dormont Manufacturing, this grease interceptor features a 20 GPM flow rate and a 40 lb grease capacity, making it suitable for medium-volume kitchens such as restaurants, cafeterias, and institutional facilities. Its robust construction with epoxy-coated steel and a solid steel, gasketed cover ensures durability and reliable operation, while the 3" inlet and outlet connections facilitate seamless integration into existing plumbing systems. This model supports proper grease management by maintaining deep seal traps and removable baffle assemblies, effectively reducing grease buildup and preventing drain line clogging within foodservice environments.

Top Watts WD-20 Features

Engineered for commercial kitchens, the Watts WD-20 grease interceptor offers precise flow regulation, durable epoxy-coated construction, and straightforward maintenance. Its 40 lb grease capacity and deep seal trap enable long-term operation without frequent service interruptions, making it ideal for foodservice facilities with moderate throughput. The removable baffle assembly simplifies cleaning, while the external cast iron flow control fitting ensures consistent performance. Designed for easy plumbing integration with no hub connections, it enhances workflow efficiency in professional kitchen environments.

  • Flow Capacity: 20 GPM for steady wastewater processing
  • Durable Material: Epoxy-coated steel for corrosion resistance
  • Maintenance Ease: Removable baffle assembly simplifies cleaning
  • Robust Construction: Solid steel cover with gasket for long-term use
  • Seamless Integration: 3" inlet & outlet with external cast iron flow control

Designed for mid-volume commercial kitchens requiring reliable grease separation to prevent plumbing issues and ensure operational efficiency.

Watts WD-20 Technical Specs

The Watts WD-20 grease interceptor features a 20 GPM flow rate with a weight of 81 lbs, constructed from epoxy-coated steel to withstand corrosion in demanding foodservice environments. Its deep seal trap and removable baffle system facilitate maintenance, while the 3" inlet and outlet connections simplify plumbing integration. Operating efficiently within standard kitchen wastewater temperatures, the unit supports steady grease capture up to 40 pounds, with a footprint designed to fit standard installation sites. Typical installation involves seamless connection to grease-laden drainage systems, supported by external cast iron flow control fittings that ensure regulated discharge. Power or electrical requirements are not applicable, focusing solely on plumbing and structural features.

  • Flow Rate: 20 GPM for consistent wastewater flow
  • Material: Epoxy-coated steel for durability
  • Dimensions: Precise size conforms to installation space
  • Capacity: 40 lbs grease capacity for ongoing use
  • Connections: 3" inlet & outlet, external cast iron flow control

What is a commercial grease interceptor?

A commercial grease interceptor is a plumbing device used in foodservice environments to prevent fats, oils, and grease from entering the downstream drainage system. Installed in kitchens, it separates grease from wastewater before it can cause blockages or environmental issues. The Watts WD-20 model is a mid-volume intake unit, specifically designed to handle graywater from restaurant and institutional kitchens, supporting efficient grease management within confined spaces. Its construction and capacity are suited to moderate throughput kitchens, ensuring compliance with plumbing codes and reducing maintenance frequency in high-traffic foodservice settings.

Top Grease Interceptors for Foodservice Settings

Commercial grease interceptors provide vital grease management solutions for kitchens requiring reliable flow handling and durable construction, with Watts WD-20 exemplifying industry standards for medium-volume foodservice operations. Built for consistent performance during operation, these units support effective grease separation in restaurants, cafeterias, and catering facilities, ensuring smooth drainage and compliance with plumbing regulations.

  • Operation Type — suitable for moderate throughput kitchens
  • Kitchen Type — ideal for compact commercial foodservice spaces
  • Foodservice Category — applicable for restaurants and cafeterias
  • Workload Qualifier — designed for daily typical grease loads
  • Primary Use Case — effective grease separation in food prep areas

Why Choose Watts WD-20 Watts Grease Interceptor

Watts WD-20 stands out among commercial grease interceptors due to its heavy-duty epoxy-coated steel construction, reliable 20 GPM flow capacity, and user-friendly design features including a removable baffle and a solid steel gasketed cover. Its durable materials ensure long-term operation, while the external cast iron flow control guarantees consistent performance, making it a dependable choice for busy kitchens seeking an efficient grease management solution that reduces plumbing maintenance and prevents costly downtime.

  • Compact footprint suitable for space-constrained kitchens
  • No hub connections simplifies installation process
  • Deep seal trap minimizes grease buildup and odors
  • External cast iron flow control enhances flow regulation
  • Removable baffle assembly facilitates routine cleaning

Customer reviews

Watts WD-20 Watts Grease Interceptor 20 Gallons Per Minute Flow Rate 40 Lb Grease Capacity
Dormont Manufacturing

Watts WD-20 Grease Interceptor 20 GPM 40 Lb Capacity Durable Steel Construction

$708.24 $1,765.70

Dormont Manufacturing, WD-20, Watts Grease Interceptor, 20 gallons per minute flow rate, 40 lb grease capacity, 3" inlet & outlet, no hub connections, solid steel cover with gasket, hex head center bolt(s), removable baffle assembly, deep seal trap with cleanout, external cast iron flow control fitting, epoxy coated steel, available with threaded inlet and outlet, by adding "THD" to end of part number, no additional charge, PDI certified