This Standard applies to gas pool heaters in which water is intended to be heated to temperatures not exceeding 60ºC. These appliances are intended for use with natural gas, town gas, liquefied petroleum gas (LPG) and tempered liquefied petroleum gas (TLP) up to a gas consumption of 500 MJ/h.NOTE: Other statutory, regulatory or health requirements may be applicable to the product(s) that fall within the scope of this Standard. It is the manufacturer, importer’s or distributor’s responsibility (as appropriate) to ensure that products comply with these requirements.