Grease separators

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What are grease separators?

A Rewatec grease separator, is a tank that receives wastewater containing fats, oils, and greases (FOG). The tank separates and traps FOG while allowing partially clarified wastewater to flow downstream for additional treatment.

It is designed for a both commercial and industrial applications and is available for a variety of business sizes.

Cutaway view of the Rewatec grease separator

Example applications

  • hotels and guest houses
  • restaurants and bars
  • cafes
  • schools
  • hospitals and healthcare facilities
  • food processing

How do grease separators work?

Grease separators work on the basis that animal fats and vegetable oils do not mix with water. Wastewater enters the separator and the grease and oil rise to the surface. It is trapped using a system of baffles.


Cutaway view of the operation of the Rewatec grease separator


The size of the grease separator required will depend on the flow rate of fluid through the kitchen - either though sinks, dishwashers or other appliances.

Grease separator maintenance

Protect your property and the environment by having your Rewatec grease separator regularly serviced.

The frequency of service depends on the capacity of your tank, the amount of effluent you generate, and the environmental regulations in your area. It is best to speak with us to determine the service schedule that is right for you.

We stand by our products

For over 50 years, we have proudly developed sustainable and long-lasting products that make a real difference for our customers, our professional partners, and, above all, our planet.

Our experience in the industry allows us to give you a 25 year warranty for our Rewatec grease separators.

Rewatec 25 years warranty


Visit our office

​​​​​​At Premier Tech we strive to fully meet the requirements of our professional partners. If you require product functionality guidance or more detailed information for installations, we can provide a solution to meet your needs.

Contact us to find out more

Technical information

Our standard range of Rewatec grease separators are available in 1,250 to 11,000 L capacities.

Rewatec grease separator specification table

Available products

We offer a complete range of Rewatec grease separators to meet the size of your business.

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