Gas-fired central heating boilers - Part 2-1: Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1 000 kW

Gas-fired central heating boilers - Part 2-1: Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1 000 kW; German version EN 15502-2-1:2022+A1:2023

Gas-fired heating boilers - Part 1: General requirements and tests

Rooftop units - Testing and rating at standard rating conditions and part load conditions for calculation of seasonal performance; German and English version prEN 17625:2024

Workplace exposure - Measurement of dustiness of bulk materials that contain or release respirable NOAA or other respirable particles - Part 5: Vortex shaker method