Gas-fired instantaneous water heaters for the production of domestic hot water; German version EN 26:2023
Edition 2024-04

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

Heating boilers - Test code for heating boilers for atomizing oil burners; German and English version prEN 304:2023
Edition 2023-04

Heat exchangers - Methods of measuring the parameters necessary for establishing the performance; German version EN 306:1997
Edition 1997-07

Heat exchangers - Guidelines to prepare installation, operating and maintenance instructions required to maintain the performance of each type of heat exchanger; German version EN 307:1998
Edition 1998-12

Gas-fired overhead luminous radiant heaters for non-domestic use - Safety and energy efficiency; German version EN 419:2019
Edition 2020-04

Heat cost allocators for the determination of the consumption of room heating radiators - Appliances without electrical energy supply based on the evaporation principle; German version EN 835:1994
Edition 1995-04

Underground tanks of glass-reinforced plastics (GRP) - Horizontal cylindrical tanks for the non-pressure storage of liquid petroleum based fuels - Part 1: Requirements and test methods for single wall tanks; German version EN 976-1:1997
Edition 1997-09

Underground tanks of glass-reinforced plastics (GRP) - Horizontal cylindrical tanks for the non pressure storage of liquid petroleum based fuels - Part 2: Transport, handling, storage and installation of single wall tanks; German version EN 976-2:1997
Edition 1997-09