This two-part Standard sets out the requirements for gas space heating appliances supplied to New Zealand. Part 1 covers the essential safety requirements, and Part 2 covers efficiency and emissions. Adopted with national modifications from AS 4553-2008. Attention is drawn to the fact that this document was published in 2013 as an interim one. Standards New Zealand extends the invitation to comment on the document from persons and organisations concerned with this subject. The interim period of this standard is extended from 31 March 2014 to 31 March 2016. The reason for this extension is to cover the period during which a proposed joint Australian/New Zealand standard AS/NZS 5263 will be under development, and will eventually replace the Australian standard AS 4553 that this this interim standard has adopted.

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