Grease traps are the unsung heroes of any commercial kitchen. They quietly protect your plumbing from the damaging effects of fats, oils, and grease, preventing costly clogs and foul odors. Choosing the right one can feel overwhelming with so many options available.
This guide breaks down ten top-rated grease traps, from compact under-sink models to high-capacity interceptors, along with essential maintenance products. You’ll learn about key features, materials, and capacities to help you make an informed choice for your restaurant, cafe, or catering business.
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BEAMNOVA Commercial Grease Trap, 25lbs, Stainless Steel, Side Inlet
Best forHigh-volume restaurant kitchens
- Large 25lb capacity
- Durable 1.2mm steel
ConsiderBulky under small sinks
BESEDER Grease Trap Plastic 4 GPM Commercial Under Sink Grease Trap, Grease…
Best forCompact under-sink installations
- ASME certified quality
- Rust-proof plastic build
ConsiderLower flow capacity
Commercial Grease Trap 8lbs Stainless Steel Interceptor | Side Inlet Heavy …
Best forRust-resistant heavy-duty use
- 304 stainless steel build
- Efficient baffle separation
ConsiderSmaller 8lb capacity
Wadoy 8 lb Commercial Grease Trap, Stainless Steel Under-Sink Interceptor
Best forLeak-proof under-sink protection
- Thickened anti-rust steel
- Effective FOG separation
ConsiderNo included accessories
John Boos GT-8 Carbon Steel Grease Interceptor, 14.2" Long by 11.2" Tall by…
Best forProfessional-grade durability
- TIG welded carbon steel
- Non-skid locking cover
ConsiderHeavier than plastic
BEAMNOVA Commercial Grease Trap, 8lbs, Stainless Steel, Side Inlet
Best forBalanced capacity and size
- Improved welding quality
- Side leakage prevention
Consider201 steel less premium
8 lb Commercial Grease Trap, Heavy Duty Stainless Steel Grease Interceptor
Best forTight spaces with easy cleaning
- Compact side inlet design
- Quadruple leak-proof seal
ConsiderSmaller capacity
GET SERIOUS Grease Trap Treatment – Grease Trap Cleaner and deodorizer – 1 …
Best forOdor control and maintenance
- Enzyme breaks down FOG
- Controls unpleasant odors
ConsiderRequires regular application
Beseder Grease Trap Cleaner )
Best forEasy tablet-based maintenance
- Convenient tablet format
- No measuring required
ConsiderMay be slower acting
40 LB Carbon Steel Grease Trap Interceptor for Restaurant Under Sink Kitche…
Best forLarge-scale high-flow kitchens
- Massive 40lb capacity
- 20 GPM flow rate
ConsiderRequires ample space
BEAMNOVA 25lbs Stainless Steel Grease Trap – Heavy-Duty Capacity
Brand: BEAMNOVA
A robust choice for busy kitchens needing serious grease capacity.
This upgraded BEAMNOVA model offers a substantial 25-pound grease capacity, making it ideal for busy kitchens with high water flow. The 1.2mm thick 201 stainless steel construction resists rust and corrosion, ensuring long-term durability. You’ll appreciate the improved welding for a smoother port and the included outlet pipe and manual for a straightforward setup.
Installation is a breeze since the unit arrives fully assembled. Simply connect your sink and dishwasher lines, and the locking devices on both sides prevent any side leakage. With dimensions of 23.82″ x 12″ x 11.22″, it fits under most commercial sinks while handling significant wastewater volume efficiently.
- Large 25lb capacity
- Durable 1.2mm steel
- Fully assembled delivery
- Bulky under small sinks
- Heavier than plastic models
BESEDER 4 GPM Plastic Grease Trap – ASME Certified
Brand: Beseder
A reliable, space-saving plastic option for moderate kitchen use.
The BESEDER plastic grease trap is a smart alternative to metal, offering a 1/4-inch wall thickness that won’t weld, leak, or rust. Its 4 GPM flow rate is perfect for smaller restaurants or prep sinks. The compact dimensions of 15.75″ x 13.2″ x 10.63″ allow for easy under-sink placement, even in tight spaces.
This ASME-certified interceptor handles various oils, including mineral, animal, and vegetable. The 2-inch threaded side inlet simplifies connection to your existing plumbing. You’ll find the multistage cleaning system effective at separating FOG from wastewater, keeping your drain lines clear and odor-free.
- ASME certified quality
- Rust-proof plastic build
- Easy 2-inch connections
- Lower flow capacity
- Plastic may scratch
KKOIUGQK 8lbs Stainless Steel Grease Trap – Efficient Separation
Brand: KKOIUGQK
A durable, corrosion-proof interceptor perfect for demanding environments.
This KKOIUGQK grease trap uses physical flow diversion and gravity sedimentation to separate fats, oils, and grease effectively. Solids sink to the bottom while FOG floats to the top, thanks to the baffle plates. Constructed from 304 stainless steel, it offers exceptional resistance to rust and corrosion, maintaining structural integrity under heavy use.
Measuring 13.9″ x 9.9″ x 9.8″ with a 1.5-inch drain outlet, it’s a practical fit for most under-sink areas. The rounded corners prevent scratches, and the rubber ring on the cover ensures a snug, odor-free seal. It ships fully assembled with all necessary accessories, making installation quick and hassle-free.
- 304 stainless steel build
- Efficient baffle separation
- Rounded corners for safety
- Smaller 8lb capacity
- 1.5-inch outlet may limit flow
Wadoy 8 lb Grease Trap – Leakage Prevention Design
Brand: Wadoy
A dependable, leak-resistant grease trap for everyday kitchen needs.
The Wadoy 8 lb grease trap focuses on preventing fats, oils, and solids from reaching your drain and sewer system. It works by cooling greasy water, allowing FOG to separate and float. The thickened 201 stainless steel construction is anti-rust and anti-corrosion, ensuring a long service life without deformation.
Leakage prevention is a key feature, with a well-designed drainage outlet that seals tightly. This fully assembled unit simplifies installation under your sink. You’ll find it easy to maintain, with straightforward access for cleaning. It’s a solid choice for small to medium kitchens that need reliable FOG interception.
- Thickened anti-rust steel
- Effective FOG separation
- Simple maintenance access
- No included accessories
- Basic design
John Boos GT-8 Carbon Steel Grease Interceptor – Premium Build
Brand: John Boos
A top-tier interceptor built to last, ideal for serious kitchens.
The John Boos GT-8 is a premium grease interceptor crafted from TIG welded 11-gauge carbon steel with a corrosion-resistant coating. It offers an 8-pound grease capacity and measures 14.2″ long by 11.2″ tall by 10.5″ wide. The non-skid cover with locking device and removable baffle ensures the lid stays securely closed while allowing easy access for cleaning.
This model includes a T-Vent pipe (flow control tee) and accepts no-hub adapters for both steel and plastic pipes. The 2-inch distance from top to pipe opening and 7.5-inch from pipe opening to base provide flexible installation options. It’s a robust, professional-grade choice that stands up to rigorous commercial use.
- TIG welded carbon steel
- Non-skid locking cover
- Includes T-Vent pipe
- Heavier than plastic
- Higher price point
BEAMNOVA 8lbs Stainless Steel Grease Trap – Upgraded Efficiency
Brand: BEAMNOVA
A practical, efficient grease trap for standard under-sink use.
This BEAMNOVA 8lb grease trap is an upgraded version with a larger capacity and improved welding for smoother ports. It operates on the principle that FOG floats while solids sink, effectively separating wastewater. The 201 stainless steel construction is anti-rust and anti-corrosion, ensuring durability.
With dimensions of 14.17″ x 10.24″ x 9.45″, it fits neatly under most sinks. Locking devices on both sides prevent side leakage, and the faucet switch gives you control over water flow. It arrives fully assembled with an outlet pipe and manual, making installation straightforward for any kitchen.
- Improved welding quality
- Side leakage prevention
- Fully assembled with manual
- 201 steel less premium
- No filter basket
BZ SUN 8 lb Grease Trap – Space-Saving Side Inlet
Brand: BZ SUN
A cleverly designed trap that maximizes space and simplifies cleaning.
The BZ SUN grease trap features a space-saving side inlet design, measuring just 14.1″ x 10.1″ x 9.3″. This low-profile layout effortlessly fits tight spaces under sinks. The quadruple leak-proof seal, with dual latches and a thick rubber gasket, stops foul odors immediately and ensures a watertight connection.
Heavy-duty NPT threaded connectors add to the durability, while the easy-clean filter basket captures solid food particles before they enter the main chamber. The sturdy top handle allows quick lifting for maintenance. Crafted from thickened stainless steel, this trap is built to resist corrosion and handle commercial demands.
- Compact side inlet design
- Quadruple leak-proof seal
- Removable filter basket
- Smaller capacity
- Threaded connectors may need adapters
GET SERIOUS Grease Trap Treatment – Enzyme Cleaner
Brand: Black Diamond Stoneworks
An essential maintenance product to keep your grease trap working efficiently.
This professional enzyme formula from Black Diamond Stoneworks helps break down fats, oils, grease, and organic waste in your grease trap. The advanced enzymatic cultures work continuously to digest buildup, preventing clogs and maintaining proper flow. It’s an effective odor control solution for commercial grease traps and wastewater systems.
Suitable for restaurants, hotels, bakeries, hospitals, and even residential use, this 1-gallon treatment supports cleaner drain lines with regular use. Simply add it to your trap as part of your maintenance routine. It’s a proactive way to extend the life of your grease interceptor and keep your kitchen smelling fresh.
- Enzyme breaks down FOG
- Controls unpleasant odors
- Versatile commercial use
- Requires regular application
- Liquid form may spill
Beseder Grease Trap Cleaner Tablets – Convenient Maintenance
Brand: Beseder
A simple, mess-free way to maintain your grease trap regularly.
The Beseder Grease Trap Cleaner comes in a convenient tablet form, making it easy to dose and store. Each pack contains 12 tablets, enough for several months of regular maintenance. These tablets help break down grease and organic matter, keeping your trap clean and functional.
Simply drop a tablet into your grease trap as directed, and let it work. This is a hassle-free alternative to liquid cleaners, with no measuring or spills. Ideal for busy kitchen staff, these tablets are a practical addition to your cleaning routine, ensuring your interceptor stays effective.
- Convenient tablet format
- No measuring required
- Long-lasting 12-pack
- May be slower acting
- Not for immediate clogs
AmGood 40 LB Carbon Steel Grease Trap – High Capacity Interceptor
Brand: AmGood
A heavy-duty interceptor for operations that generate lots of grease.
The AmGood 40 LB grease trap is a powerhouse, designed for high-volume commercial kitchens. With a 40-pound grease capacity and a 20 GPM flow rate, it handles significant wastewater loads effortlessly. It’s PDI certified, ensuring it meets industry standards for performance and reliability.
This interceptor features no-hub connections and includes a T-vent for proper venting. The non-skid deck plate and removable baffles make cleaning straightforward. Built from carbon steel, it’s durable and long-lasting. If you have a busy restaurant or large-scale food operation, this trap provides the capacity you need to protect your plumbing.
- Massive 40lb capacity
- 20 GPM flow rate
- PDI certified quality
- Requires ample space
- Heavy and hard to move
Buyer’s Guide: What to Consider
Selecting the right grease trap involves more than just picking a size. You need to consider your kitchen’s specific demands, from water flow to available space. Here are five key factors to guide your decision.
- Grease Capacity: Choose a trap with enough capacity for your kitchen's output. Small cafes may need only 8 lbs, while busy restaurants might require 25 lbs or more. Oversizing can be costly, but undersizing leads to frequent cleaning and potential clogs.
- Flow Rate (GPM): The flow rate indicates how many gallons per minute the trap can handle. Match it to your peak water usage from sinks and dishwashers. A higher GPM is essential for high-volume kitchens to prevent overflow and ensure effective separation.
- Material: Stainless steel offers durability and rust resistance, ideal for heavy use. Plastic is lighter and won't corrode, but may be less robust. Carbon steel with a protective coating is also an option, balancing strength and cost.
- Installation and Connections: Consider whether the trap comes fully assembled and what connections it uses. Side inlets and 2-inch threads simplify installation. Check if adapters are needed for your existing plumbing to avoid extra costs and hassle.
- Maintenance and Cleaning: Look for features like removable baffles, filter baskets, and easy-access covers. Regular cleaning is vital to prevent odors and blockages. Enzyme treatments or tablets can help break down grease and reduce the frequency of manual cleaning.
Conclusion
Choosing the best grease trap for your commercial kitchen depends on your specific needs, including capacity, flow rate, and installation constraints. The BEAMNOVA 25lbs model is excellent for high-volume operations, while the BESEDER plastic trap suits compact spaces. For those needing heavy-duty performance, the AmGood 40 LB offers unmatched capacity.
Remember to factor in maintenance products like enzyme cleaners to keep your trap functioning efficiently. Evaluate your kitchen’s daily output and available space, then select a trap that balances durability, ease of use, and capacity. With the right choice, you’ll protect your plumbing and ensure smooth operations for years to come.
Steven Settles is an ISCET-certified master in appliance repair. He has aced the National Appliance Service Technician Certification Exam, showcasing his exceptional diagnostic and repair skills. With an in-depth understanding of the latest repair technologies and a keen eye on evolving industry standards, Steven is a go-to expert for any appliance issue.