RPZ Valves

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Supply & Installation

Our qualified engineers can assess your requirements, supply and install new or replacement RPZ valves. We also make relevant applications to your water supplier for new installations approval.

Calibrated Testing Kits

All of our RPZ test kits are calibrated and serviced annually by a UKAS accredited external company, as required by the water industry bodies.

Certification and Testing

Commissioning and testing by accredited testers in accordance with WRAS requirements. This type of valve should be tested & certified annually

Emergency Call Outs

We hold a range of valves and replacement parts in stock for clients, enabling us to provide an emergency call out service for any faults or failures of RPZ’s.


A full certificate is issued after testing and commissioning, in accordance with industry standards. Certification will include all details of the testing, including any works required.

Why Choose WSM Associates?

  • Our qualified engineers are WIAPS RPZ certificated.
  • Fully trained and experienced field teams all carry EUSR water hygiene cards.
  • Health and safety is our highest priority.
  • Risk Assessment Method Statement (RAMS) and details of our insurances, including professional indemnity, are provided before starting on site.
  • All of our equipment is fully serviced, calibrated and maintained to the manufacturers specification.
Got a question or require further information?

Contact our experienced team who are here to help

Accreditations and Registrations