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Approved Installation Method 08-01 Type BA Device – Verifiable backflow preventer with reduced pressure zone (RPZ valve). Requirements for installation, commissioning and compliance testing of Type BA devices (RPZ valves). Issue 2, 2020

Publication Year

2020

Document Status

Current

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

Supersedes Issue 1, 2008.

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.

Unit 13, Willow Road
Pen-y-Fan Industrial Estate
Crumlin
WRAS
UK

Website: www.wras.co.uk
Email: info@wras.co.uk
Tel: +44 (0)333 207 9030