
Gas-Fired Central Heating Boilers - Part 2-2: Specific Standard For Type B1 Appliances Of A Nominal Heat Input Not Exceeding 70 Kw
出版:Nederlands Normalisatie Instituut

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Defines the requirements and test methods concerning, in particular the construction, safety, fitness for purpose, and rational use of energy, as well as the classification and marking of gas-fired central heating boilers that are fitted with atmospheric burners, fan assisted atmospheric burners and are hereafter referred to as "boilers".
PREN 15502-2-2:2012 - Identical