Plumbers' technical note – The WaterMark Certification Scheme

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All documents issued prior to 1 July 2017 were issued by the former Department of Commerce. Documents listed here are the latest versions available. For more information on this document, please contact

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The purpose of this technical note is to provide advice to the plumbing industry and stakeholders on the compliance requirements, functions and benefits of the national certification scheme for plumbing products. 

Building Commission
Technical standards
Last updated 22 May 2014

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