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; German version EN 303-5:2021+A1:2022
Edition 2023-07

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
Edition 2019-12

Heat exchangers - Test procedures for establishing performance of air to air heat recovery components; German version EN 308:2022
Edition 2023-06

Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings; German version EN 331:2015
Edition 2016-04

Gas pressure regulators for inlet pressures up to 10 MPa (100 bar); German and English version EN 334:2019
Edition 2019-11

Protective clothing - Ensembles and garments for protection against cold; German version EN 342:2017
Edition 2018-01

Durability of wood and wood-based products - Testing and classification of the durability to biological agents of wood and wood-based materials; German version EN 350:2016
Edition 2016-12

Hearing protectors - General requirements - Part 1: Earmuffs; German version EN 352-1:2020
Edition 2021-03

Hearing protectors - General requirements - Part 2: Earplugs; German version EN 352-2:2020+A1:2024
Edition 2024-09

Hearing protectors - General requirements - Part 3: Earmuffs attached to head protection and/or face protection devices; German version EN 352-3:2020
Edition 2021-03