In addition to manufacturers installation instructions RPZ valves must be installed and tested in accordance with the RPZ AIM
There are no legal restrictions on who can install an RPZ valve. But anyone undertaking this work should be competent to do so. Water undertakers recommend using an approved contractor.
Once installed an RPZ valve needs to be commission and compliance tested before it can be brought into service.
The valve will also need to be compliance tested, in accordance with the conditions of consent, at regular intervals thereafter, as well as following relocation or repair.
To comply with the RPZ AIM commission and compliance testing should only be carried out by someone competent to do so. Details of what water undertakers will consider as evidence of competency to test an RPZ valve are provided in the RPZ AIM glossary.
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