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Rockford RP-20 Grease Interceptor – 40 lb Capacity, 20 GPM, 3" No-Hub

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Rockford RP-20 Grease Interceptor – 40 lb Capacity, 20 GPM, 3" No-Hub

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Commercial Grease Interceptor

Rockford RP-20 — Steel Grease Interceptor for Mid-Size Commercial Kitchen Applications

The Rockford RP-20 is an all-welded steel grease interceptor engineered for mid-size commercial food-service operations with moderate FOG (fats, oils, and grease) discharge. Rated at 20 GPM intermittent flow with 40 lb grease capacity and a 13-gallon static holding volume, it is ideal for restaurants, diners, school kitchens, and multi-fixture sink configurations. Features 3" no-hub inlet and outlet connections — stepping up from the 2" connections of smaller RP models. Certified to PDI-G101 and manufactured in Rockford, IL.

40 lb
Grease / Sludge Capacity
20 GPM
Intermittent Flow Rate
13 gal
Static Holding Capacity
3"
No-Hub Inlet / Outlet

Key Features of the Rockford RP-20

All-Welded Steel ConstructionFully welded body with no bolted joints — built to withstand continuous exposure to hot wastewater, fatty acids, and cleaning chemicals without leaks or structural failure.
3" No-Hub ConnectionsLarger 3" no-hub inlet and outlet connections accommodate higher-flow plumbing configurations typical of mid-size restaurant and institutional kitchen setups.
Dual Installation ModesSupports both on-the-floor and flush-with-the-floor installation, providing flexibility for new construction and retrofit projects in commercial kitchen environments.
3/16" Diamond Tread CoverPedestrian-rated removable cover secured with stainless steel flat-head screws — safe for walk-over traffic and easy to lift for routine service and cleanout.
Heavy-Duty Leak-Proof GasketPrecision gasket seals the cover to the body — blocking grease odors, preventing pest intrusion, and stopping floor seepage in busy kitchen environments.
PDI-G101 CertifiedCertified to the Plumbing & Drainage Institute PDI-G101 standard — ensuring acceptance by municipal plumbing authorities and health departments across the United States.

RP-20 Specifications

ModelRP-20
Grease / Sludge Capacity40 lb
Flow Rate (Intermittent)20 GPM
Static Holding Capacity13 Gallons
Inlet / Outlet3" No-Hub
Width (Front to Back)18.75"
Length (Side to Side)27"
Height (Floor to Top)13"
Bottom to Center of Inlet9.5"
Unit Weight80 lb
Cover Material3/16" Nonskid Diamond Tread Plate
Body ConstructionAll-Welded Steel
CoatingEnamel (Interior & Exterior)
Compliance StandardPDI-G101
Installation TypeOn-Floor or Flush-with-Floor
ManufacturerRockford Separators, Rockford, IL

Frequently Asked Questions

What is the grease capacity of the Rockford RP-20?

The RP-20 holds 40 lb of grease and sludge with a 13-gallon static liquid holding capacity. It is designed for mid-size commercial kitchens including restaurants, diners, school kitchens, and multi-fixture sink configurations.

What flow rate does the RP-20 support?

The RP-20 is rated for 20 GPM intermittent flow with 3" no-hub inlet and outlet connections and an integrated flow control device that maximizes grease separation efficiency.

Can the RP-20 be installed flush with the floor?

Yes. The RP-20 supports both on-the-floor and flush-with-the-floor installation. The 3/16" diamond tread plate cover is pedestrian-rated and secured with stainless steel flat-head screws for safe walk-over traffic.

Is the RP-20 PDI-G101 certified?

Confirmed. The RP-20 is certified to the Plumbing & Drainage Institute PDI-G101 standard — ensuring code acceptance with most local plumbing and health authorities across the United States.

What size connections does the RP-20 use?

The RP-20 uses 3" no-hub inlet and outlet connections — larger than the 2" connections found on smaller RP models — making it suitable for mid-size restaurant kitchens and multi-fixture plumbing setups.

What optional upgrades are available for the RP-20?

Rockford offers factory upgrades at additional cost: anchor flange, epoxy coating, stainless steel construction, integral extension, alternate inlet/outlet sizing, aluminum cover, and threaded connections. Contact us for a custom quote.

Brand Rockford Seperators|Grease Traps
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507.97 507.97 USD 507.97

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SKU RP-20
Brand Rockford Seperators|Grease Traps
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