About Us

Aquatech Pressmain is likely already a part of your everyday life. With more than seventy years experience, we are market leaders in the supply of water pressure booster sets and pressurisation units to the building services, process and water industries.

As part of AGM plc, Aquatech Pressmain offers a broad range of expertise and experience to meet the diverse requirements of our customers. We’re proud to say that we’re the only UK company to design and produce our own in-house microprocessor control systems, enabling us to offer unrivalled versatility in meeting the specific needs of a project. We also work with clients and consultants to design and build bespoke products for specialised applications.

Providing regional support from our offices in Colchester and Manchester, our sales and service network covers the whole of the United Kingdom as well as international markets. Aquatech Pressmain is ISO 9001 accredited for both the design and manufacture of bespoke packaged pump systems and is also PED (Pressure Equipment Directive) compliant. We offer a complete, quality-assured solution to your requirements, quickly, efficiently and at a competitive price.


Our product portfolio includes:

  • Booster sets for CAT5 systems, hot and cold water supplies & combined sprinkler operation
  • Pipework protection valves (watershock)
  • Enclosures
  • Pressurisation units for sealed heating and chilled water systems
  • Water storage and controls
  • Waste water pump systems
  • Tank stands
  • Tank fitting tools
  • Tanks for processes

Our other services include:

  • Maintenance and installation
  • Emergency cover
  • Water quality monitoring
  • Water hygiene
  • Waste water services
  • Replacement parts
  • Commissioning