Do you need a qualified RPZ Valve Tester

Do you need a qualified RPZ Valve Tester?

Waterman Environmental Services we have highly qualified & competent Engineers who are WRAS approved RPZ Valve Testers!!

Find us on https://www.wras.co.uk/search/rpz/

Commissioning and testing of a RPZ Valve must only be carried out by an accredited tester approved by the Water Supplier as being competent to test.

What are RPZ valves?

  • Reduced Pressure Zone (RPZ) Valves
  • Type BA Device
  • Backflow Protection Valve

Why are RPZ valves installed?

  • to provide Backflow Protection against backpressure or backsiphonage
  • to minimise the risk of Backflow from Fluid Category 4 fluids
It is a legal requirement to have these devices checked on a regular basis, at least yearly, to ensure they provide the backflow protection required.

All installations, commissioning and testing must be carried out in accordance with the Water Suppliers’ Approved Installation Method AIM-08-01. The commissioning and testing of these valves must only be carried out by an accredited tester approved by the local water supplier.

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