RPZ FAQs: Testing

Do you have to use someone who belongs to a RPZ tester scheme to test RPZ valves?

It is not compulsory to use someone who belongs to an approved contractor scheme to test RPZ valves. However, the local water undertaker has to be satisfied a tester is competent.

If the RPZ tester used is not a scheme member it is likely the local water undertaker will require further information before accepting the test report submitted by them as valid. For example, the tester will be likely to be asked to demonstrate:

  • They have satisfactorily completed a recognised qualification in RPZ valve commissioning and/or compliance testing from a recognised training provider
  • Their test equipment is calibrated by a pressure calibration service accredited by UKAS.
  • They have appropriate liability insurance.

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