AS/NZS 5263.1.2-2020 Gas appliances -- Part 1.2: Gas fired water heaters for hot water supply and/or central heating

This Standard provides specific requirements and test methods for gas water heaters and central heating boilers, with an energy input not exceeding 500 MJ/h, and includes types intended for the supply of hot water at a maximum temperature of 99 °C for -
(a) sanitary, potable and drinking purposes;
(b) hydronic space heating; and
(c) a combination of Item (a) and Item (b).
For Australia, the fuel gases are natural gas (as described by AS 4564), town gas, liquefied petroleum gas (LP Gas, as described by AS 4670), simulated natural gas (SNG) and tempered liquefied petroleum gas (TLP).
For New Zealand:
(i) The fuel gases are natural gas (as specified in NZS 5442) and general product liquefied petroleum gas (NZLPG) (as specified in NZS 5435).
(ii) The thermal efficiency requirements are informative only, except where they relate to safety.
NOTE Other statutory and regulatory requirements may be applicable to a product that falls within the scope of this Standard. It is the responsibility of the manufacturer, importer or distributor (as appropriate) to ensure that products conform to such requirements.
Test methods are set out in Appendices 7.A, lB and ZC (see Clause 1.4).S 5263.1.2:2020 N z N in N Q1 W N N N r- - O Australian/New Zealand Standard TM Gas appliances Part 1.2: Gas fired water heaters for hot water supply and/or central heating STANDARDS STANDARDS？ ？`" NEW ZEALAND Ti AS/NZS 5263.1.2:2020 This Joint Australian/New Zealand Standard"4was prepared by Joint Technical Committee AG-001, Gas Appliances. It was approved on behalf of the Council of Standards Australia on 6 December 2019 and by the New Z