本标准规定了与天然气、液化石油气（LPG）和模拟天然气（SNG）一起使用的燃气热水器的最低能源性能标准（MEPS）要求，储存型的标称耗气量为50 MJ/h，瞬时型的标称消耗气量为250 MJ/h.，这些都属于AS 4552的范围。

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.