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Trade Waste Grease Traps

Trade Waste Grease Traps

Trade waste grease traps are essential plumbing systems for commercial kitchens, cafés, restaurants and food production sites. They collect fats, oils and grease before wastewater enters the sewer. This helps reduce blockages and protects drainage systems.

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Grease traps come in various sizes and configurations to suit different kitchen layouts and waste volumes. Options include under-sink units and larger external systems, all designed to meet Australian commercial requirements.

At Industry Kitchens, we supply commercial-grade grease traps from trusted brands such as Big Dipper and Viking Plastics. These products are chosen for durability, reliable performance and compliance in hospitality environments.

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Commercial Grease Traps

Poor grease control can block drains, cause bad smells, and lead to expensive plumbing issues. Commercial grease traps are used in cafés, restaurants, hotels, and catering businesses to collect fats, oils, and grease before wastewater reaches the sewer. Available as under-sink units or larger systems, they help keep plumbing flowing and reduce cleaning, maintenance, and downtime.

📞 Call us on 1800 161 368

How to Choose the Right Grease Traps

  1. Kitchen Size & Waste Volume: Choose a grease trap based on how much wastewater your kitchen produces. Larger kitchens usually need bigger units to avoid overflows and frequent cleaning.
  2. Installation Location: Under-sink grease traps work well in smaller kitchens with limited space. Larger external units suit restaurants and sites that produce higher waste volumes.
  3. Compliance Requirements: Grease traps must meet local council trade waste approval conditions. Always check these requirements before choosing a grease trap.
  4. Ease of Maintenance: Accessible designs reduce cleaning time, servicing costs, and downtime.
  5. Material & Build Quality: Commercial-grade construction improves durability in high-use kitchens.
  6. Future Growth: Allow capacity for menu changes or increased production volume.

Grease Traps Comparison

Type Key Advantages / Features Best Suited For
Automatic Grease Traps (Big Dipper) Automatically removes grease to reduce manual cleaning, lower maintenance, and control odours in busy commercial kitchens. Restaurants, cafés, hotels, food production facilities
Above-Ground Grease Traps (Viking Plastics) Slows hot wastewater so grease can separate, with easy access for cleaning, air-tight lids for odour control, and council-compliant construction. Internal plant rooms, service areas, commercial kitchens
Below-Ground Grease Traps (Viking Plastics) Installed below ground to manage higher wastewater volumes, with sealed pipe fittings, easy-access covers, and construction options to suit site conditions. High-volume venues, large restaurants, production kitchens
Below-Ground Submarine Grease Interceptors (Paneltim®) Designed for very large wastewater volumes, featuring a stable below-ground design, welded fittings, riser access, and traffic-rated lids for heavy-duty commercial use. Large hospitality venues, food factories, and high-capacity kitchens

Top Use Cases for Grease Traps

Cafés & Bakeries

These kitchens produce steady grease and food waste from sinks and prep areas. Grease traps help prevent drain blockages while keeping plumbing easy to manage in compact spaces.

Restaurants & Hotels

Higher wastewater volumes are common throughout the day. Larger grease trap systems help manage heavy grease loads and support trade waste compliance.

Catering & Quick Service Restaurants

Fast-paced operations depend on reliable plumbing. Grease traps reduce downtime caused by blockages and help kitchens stay operational.

Food Production & Processing

Continuous washing and preparation create consistent grease build-up. High-capacity grease traps help protect drainage systems and reduce maintenance issues.

Healthcare & Education

Reliable and compliant kitchen plumbing is essential. Grease traps support hygiene standards and minimise disruption to daily operations.

Grease Traps FAQs

What are grease traps used for?
Grease traps are used to capture fats, oils, and grease from kitchen wastewater before it enters drainage systems. This helps prevent blocked pipes, reduce unpleasant odours and protect sewer infrastructure. In commercial kitchens, grease traps also support trade waste compliance and ongoing plumbing performance.

What is a grease trap tank?
A grease trap tank is a high-capacity system designed for commercial kitchens that produce larger volumes of wastewater. These tanks are commonly installed in restaurants, hotels and food production facilities. They help manage heavy grease loads while meeting council trade waste and compliance requirements.

How does a grease trap basket help?
A grease trap basket collects food scraps and solid waste before they enter the main grease trap system. By stopping solids early, the basket improves overall efficiency and reduces the risk of blockages. This also makes routine cleaning faster, simpler, and more cost-effective for busy kitchens.

Do you supply under-sink grease traps in Australia?
This range focuses on trade waste grease trap tanks and related accessories for commercial kitchens. Under-sink grease traps are usually used in smaller setups with lower waste output. Our team can help assess your kitchen layout and advise on suitable grease management solutions if required.

Are Big Dipper grease traps suitable for commercial kitchens?
Yes, Big Dipper grease traps are designed specifically for commercial trade waste applications. They are commonly used in restaurants, cafés, and food production environments where reliable grease control is required. These systems support compliance, consistent performance, and long-term durability in demanding kitchens.

How often should grease traps be cleaned?
Cleaning frequency depends on kitchen size, menu type, and daily usage. High-output kitchens may require more frequent servicing to prevent grease build-up. Regular cleaning helps avoid blockages, reduces odours, and keeps the system operating efficiently while supporting ongoing trade waste compliance.

What does a grease trap do?
A grease trap slows the flow of wastewater so fats, oils, and grease can separate and collect inside the unit. Solid waste settles while cleaner water flows into the sewer. This process helps prevent pipe blockages, protect drainage systems, and support compliance in commercial kitchen environments.

Why do grease traps smell?
Grease traps can develop odours when grease and food waste build up over time. Poor cleaning schedules or undersized systems can make the issue worse. Regular maintenance and correct sizing help reduce smells, improve hygiene, and keep grease traps working as intended in busy kitchens.

Do you supply an under sink grease trap Australia wide?
An under sink grease trap is commonly used in smaller commercial kitchens with low wastewater output. This range focuses on trade waste grease trap tanks and larger systems for hospitality venues. Our team can help assess your kitchen layout and council requirements, and advise whether an under-sink unit or a larger grease trap is the right solution.

Featured Collection: Viking Plastics Grease Traps

Viking Plastics grease traps are designed for commercial kitchens that need reliable grease control and easy maintenance. These systems help reduce grease build-up while supporting trade waste compliance. Made from durable materials, they suit cafés, restaurants, and food production sites.

Why Buy from Industry Kitchens?

Commercial-Grade Grease Trap Solutions

We supply proven grease traps built to perform reliably in high-volume commercial kitchens.

Trade Waste Compliance Support

We help you select grease trap solutions aligned with Australian trade waste requirements to reduce approval and compliance risk.

Expert Product Guidance

Our specialists provide clear advice on how to choose and size a grease trap so that you get it right the first time.

Australia-Wide Delivery

We deliver grease traps to metro and regional locations across Australia, keeping projects on schedule.

Flexible Finance Options

Our financial services help you better manage your cash flow while also letting you install the right grease trap now.

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Trade Waste Grease Traps

A grease trap, often referred to as a grease interceptor, is an essential component in commercial kitchens, restaurants, and food service establishments. It works by capturing fats, oils, and grease (commonly abbreviated as FOG) along with food particles from wastewater before they enter the municipal sewer system. This prevents harmful buildup in sewer lines and reduces the risk of environmental contamination.


How Grease Traps Work

Grease traps function by slowing down the flow of wastewater, allowing FOG to cool and solidify while food particles sink to the bottom. The remaining water is then allowed to flow into the sewer system. This separation process is crucial for maintaining the health of your plumbing and protecting local waterways. 

Installation Options

Grease traps can be installed either above ground, typically under sinks, or below ground, often in outdoor areas. The choice depends on the size of the establishment, the volume of wastewater generated, and local plumbing regulations.


*Above-Ground Grease Traps: Ideal for smaller kitchens or businesses with limited space. They are easy to access for cleaning and maintenance.  

- Below-Ground Grease Traps: Suitable for high-volume establishments. These larger systems are installed outside and are capable of handling significant amounts of wastewater.


Importance of Regular Maintenance

Neglecting grease trap maintenance can lead to serious issues, including:

1. Blockages: Over time, accumulated grease and solids can clog the trap and sewer lines, causing wastewater to back up.

2. Overflows: A full or poorly functioning grease trap can result in wastewater spilling into your kitchen, property, or the surrounding environment.

3. Unpleasant Odours: Decomposing grease and food waste produce strong odours that can affect the comfort of your customers and staff.

4. Health Hazards: Overflowing grease traps can create unsanitary conditions, attracting pests and posing health risks.

5. Compliance Penalties: Many local authorities require businesses to maintain their grease traps to meet environmental standards. Non-compliance can result in fines or other legal consequences.


Benefits of a Well-Maintained Grease Trap

  • Cost Savings: Prevents expensive repairs to blocked or damaged plumbing systems.  
  • Business Continuity: Avoids unplanned closures due to overflows or plumbing issues.  
  • Environmental Protection: Reduces the risk of sewer contamination, protecting local water systems and wildlife.  
  • Compliance Assurance: Ensures adherence to regulations, safeguarding your reputation and avoiding penalties.


Best Practices

1. Regular Cleaning: Schedule routine grease trap cleaning based on usage volume. For high-traffic kitchens, this might be weekly or monthly.

2. Proper Waste Disposal: Train staff to dispose of FOG and food waste in designated bins instead of pouring them down the drain.

3. Monitoring: Keep a maintenance log to track cleaning schedules and inspections.


Investing in a grease trap and its upkeep is a proactive measure that ensures smooth operations, protects your plumbing infrastructure, and demonstrates environmental responsibility.

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