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Heating boilers - Part 2: Heating boilers with forced draught burners - Special requirements for boilers with atomizing oil burners; German and English version prEN 303-2:2023

Heating boilers - Part 6: Heating boilers with forced draught burners - Specific requirements for the domestic hot water operation and energy performance of water heaters and combination boilers with atomizing oil burners of nominal heat input not exceeding 70 kW; German version EN 303-6:2019/FprA1:2023

Heating boilers - Part 2-7: Specific standard for gas-fired central heating units

Heating boilers - Part 5: Heating boilers for solid fuels, manually and automatically stoked, nominal heat output of up to 500 kW - Terminology, requirements, testing and marking

Heating boilers - Part 6: Heating boilers with forced draught burners - Specific requirements for the domestic hot water operation and energy performance of water heaters and combination boilers with atomizing oil burners of nominal heat input not exceeding 70 kW

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prEN 303-2

Heating boilers - Part 2: Heating boilers with forced draught burners - Special requirements for boilers with atomizing oil burners

Digital addressable lighting interface - Part 303: Particular requirements - Input devices - Occupancy sensor (IEC 34/780/CD:2020); Text in German and English

Short Range Devices (SRD) - Ground Based Synthetic Aperture Radar (GBSAR) in the frequency range 17,1 GHz to 17,3 GHz and High Definition Ground Based Synthetic Aperture Radar (HD-GBSAR) in the frequency range 76 GHz to 77 GHz - Harmonised Standard for access to radio spectrum (Endorsement of the English version EN 303 661 V1.1.0 (2023-02) as a German standard)

6 GHz WAS/RLAN - Harmonised Standard for access to radio spectrum (Endorsement of the English version EN 303 687 V1.0.0 (2022-04) as a German standard)

Wideband Data Transmission Systems (WDTS) for Mobile and Fixed Radio Equipment operating in the 57 - 71 GHz band - Harmonised Standard for access to radio spectrum (Endorsement of the English version EN 303 753 V1.0.0 (2023-06) as a German standard)

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