RPZ Valve Commissioning, Inspection & Testing
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General Information
Course Structure and Learning Outcomes
The UK water industry accepts mechanical backflow protection as a suitable approach under specified circumstances to prevent backflow and potential contamination of the water supply. It is a legal requirement that mechanical backflow protection devices are installed, periodically inspected & tested and maintained correctly to protect the water supply from contamination and the health of the public.
The LCL Awards RPZ Valve Testers course is based on the requirements and guidance of the water suppliers recognized Approved Installation Method AIM Issue 3 2025 and has been recognised by the Water Industry Approved Plumber Scheme WIAPS.
Note: For Water Companies who do not subscribe to WIAPS, or who operate their own Approved Contractor Scheme confirmation of recognition of the LCL Awards RPZ valve testers certificate should be sought from them directly.
Undertake training and assessment in the following subject areas of the AIM
• Definitions used in the AIM
• Notification
• Installation
• Commissioning & compliance testing
• Reporting & record keeping
• Commissioning & on-site compliance testing procedures
• Notification of the proposed installation of a RPZ valve
• Test Reports, minimum information requirements
The course is structured to include both self-study and centre based guided learning.
Prerequisites and Assessment
The course is aimed at individuals who intend to carry out the work of installing, commissioning, and periodic testing or RPZ valves.
Candidates registering to undertake the RPZ valve course should have plumbing experience, knowledge of the requirements for RPZ valves and have undertaken and passed a water industry recognised assessment in the UK water regulations, resulting in the attainment of a Water Regs UK recognised certificate (or equivalent qualification).
This course is not suitable for those candidates with no such certification, experience or background.