FAQ /
What Is the Difference Between a Grease Trap and a Grease Interceptor?
A grease trap is a smaller unit (typically under 100 gallons) installed inside the kitchen, usually under the three-compartment sink. A grease interceptor is a larger unit (500-2,000+ gallons) buried outside the building. Both serve the same purpose — separating fats, oils, and grease from wastewater — but they differ in size, location, cost, and maintenance needs.
Grease Traps (Indoor)
- Size: 20-100 gallons
- Location: Inside the kitchen, typically under or near the three-compartment sink
- Installation cost: Lower — no excavation required
- Pumping frequency: More often (monthly to bi-monthly for busy kitchens)
- Best for: Small restaurants, delis, cafes, and coffee shops with lower grease output
Indoor traps are what most smaller Twinsburg restaurants start with. They take up kitchen space and need more frequent pumping, but the upfront cost is much lower. Many pizza shops and delis along Darrow Road operate with indoor traps.
Grease Interceptors (Outdoor)
- Size: 500-2,000+ gallons
- Location: Buried outside the building, accessed through ground-level lids
- Installation cost: Higher — requires excavation and concrete work
- Pumping frequency: Less often (monthly to quarterly depending on volume)
- Best for: High-volume restaurants, full-service kitchens, and new builds
Outdoor interceptors are the standard for high-volume restaurants. The upscale dining establishments around Hudson Green and the larger restaurants in the Marketplace at Four Corners area typically run outdoor interceptors. The higher capacity means less frequent pumping and better separation efficiency.
Which One Does Your Restaurant Need?
Summit County plumbing code determines the minimum sizing based on your kitchen's fixture flow rate. If your flow rate exceeds what an indoor trap can handle, you need an outdoor interceptor. We calculate the proper sizing during a site visit and recommend the right unit for your kitchen.
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