RPZ Valve Replacements

Location: York

Date Completed: September 2019

Project Summary

Replacement of 2no RPZ valves following annual test failure. 

The Problem

By law, all RPZ valves must be tested at least once per annum to ensure they provide the backflow protection required. These two RPZ valves failed their annual test, and needed to be replaced in accordance with Water Suppliers' Approved Installation Method AIM-08-01. 

The Solution

Following the initial test failure, our RPZ engineers were able to return to site the next day to replace the valves. As you can see, the first valve required the installation of some additional pipework to reduce the height of the unit on the wall. The new valves were tested and commission successfully. 

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