Who Needs Them?

RPZ valves are generally required to be installed as backflow protection in the following situations. Contact us if you need help or advise on the requirements for installation. ICE Plumbing & Water Services are approved suppliers of Watts and Danfoss Socla RPZ valves and can help you to select the most appropriate valve for your situation.


  • Fire sprinkler systems using anti-freeze solutions
  • Commercial central heating systems with design heat output >45 kW

Food Processing

  • Bottle washing apparatus
  • Dairies
  • Food preparation


  • Bottle washing apparatus
  • Commercial dishwashing machines
  • Potato peeling machines (pre-washed produce)
  • Refrigerating equipment

Industrial and commercial installations

  • Brewery and distillation plant
  • Car washing and degreasing plants
  • Commercial clothes washing machines
  • Dyeing equipment
  • Pressurised fire-fighting systems
  • Printing and photographic equipment
  • Water treatment plant using other than salt

Leisure and hotel facilities

  • Swimming pool top-up supplies

Risk Categories can vary dependent on the specific application. Clarification and approval would always be sought from your local Water Company prior to the installation of RPZ valves.