scope:

This Part 2-4 of EN 16510 is applicable to hand and automatically fired residential independent boilers having nominal heat outputs up to 50 kW, the primary function of which is to provide hot water for central heating and/or domestic use, and which are designed for use only with open vented systems at a working pressure not exceeding 2 bar. In addition to their primary function of providing hot water these appliances also provide space heating to the place of installation. The appliances covered by this Part 2-4 of EN 16510 may burn either solid mineral fuels, peat briquettes or natural or manufactured wood logs or be multi-fuel in accordance with the appliance manufacturer's instructions. This Part 2-4 of EN 16510 is not applicable to independent boilers for hot water only production and having heat outputs of less than 5 kW. This Part 2-4 of EN 16510 is also not applicable to the design and construction of automatic stoking devices.