AS NZS 4552.2:2010 pdf download
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. […]
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