Approved Installation Method 08-01 Type BA device - Verifiable backflow preventer with reduced pressure zone (RPZ valve). Requirements for installation, on-site testing and maintenance. Issue 1, February 2008
Publication Year
2008
Document Status
Withdrawn
Abstract
The Water Supply Industry’s requirements for the installation, commissioning, on-site testing and maintenance of the Type BA Device - a verifiable backflow preventer with reduced pressure zone - commonly known as a BA device or an RPZ valve.
Document History
Superseded by Issue 2, 2020 from 8th January 2021.
Publisher Information
Water Regulations Advisory Scheme
The Water Regulations Approval Scheme is a UK certification body for plumbing products and materials, helping business and consumers choose compliant products that keep water safe.
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WRAS
UK
Website: www.wras.co.uk
Email: info@wras.co.uk
Tel: +44 (0)333 207 9030
