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AS/NZS 3666.1:2011 Air-handling and water systems of buildings - Microbial control, Part 1: Design, installation and commissioning 2011 cover

Standards Australia/Standards New Zealand

Version:  Third Edition 2011.  (Pending Revision)
Specifies minimum requirements for the design, installation and commissioning of air-handling and water systems of buildings for the purposes of microbial control. It does not include requirements for refrigerated room airconditioners and non-ducted split systems.
AS/NZS 3500.4:2021 Plumbing and drainage, Part 4: Heated water services 2021 cover

Standards Australia/Standards New Zealand

Version:  Fourth Edition 2021.  (Available Superseded)
Sets out the requirements for the design, installation and commissioning of heated water services using drinking water or rainwater or a combination thereof; includes aspects of the installation from, and including, the valve(s) on the cold water inlet to any cold water storage tank or water heater and the downstream fixtures and fittings; applies to new installations as well as alterations, additions and repairs to existing installations.