Having obtained consent from the water supplier for the installation of a BA device (RPZ valve) as required by Regulation 5 of the Water Supply (Water Fittings) Regulations 1999; the installation of the BA device (RPZ valve) and any associated fittings must be installed in accordance with the water suppliers “Approved Installation Method” AIM-08-01. A copy of the AIM can be found on the WRAS website at the following link: AIM-08-01.
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