This Standard specifies minimum energy performance standards (MEPS) requirements for gas water heaters intended for use with natural gas, liquefied petroleum gas (LPG) and simulated natural gas (SNG) up to a nominal gas consumption of 50 MJ/h for storage types and 250 MJ/h for instantaneous types and which fall within the scope of AS 4552.

This Standard does not specify safety requirements. For safety requirements see AS 4552, Gas fired water heaters for hot water supply and/or central heating, or NZS 5262, Gas appliance safety.

NOTE: Other statutory and regulatory requirements may be applicable to the water heater(s) that fall within the scope of this Standard. It is the manufacturer's, importer's or distributor's responsibility (as appropriate) to ensure that their water heater(s) comply with such requirements.