Heating boilers - Part 2: Heating boilers with forced draught burners; special requirements for boilers with atomizing oil burners; German version EN 303-2:1998— 9 стр.
Heating boilers - Part 4: Heating boilers with forced draught burners - Special requirements for boilers with forced draught oil burners with outputs up to 70 kW and a maximum operating pressure of 3 bar - Terminology, special requirements, testing and marking
Heating boilers - Part 2: Heating boilers with forced draught burners - Special requirements for boilers with atomizing oil burners; German version EN 303-2:2017— 19 стр.
Heating boilers - Part 1: Heating boilers with forced draught burners - Terminology, general requirements, testing and marking; German version EN 303-1:2017— 40 стр.
Heating systems in buildings - Method for calculation of system energy requirements and system efficiencies - Part 4-1: Space heating generation systems, combustion systems (boilers)