This European Standard defines the technical specifications and requirements of radiators and connectors to be installed in central heating systems in residential buildings. Radiators and connectors are components for installation in a permanent manner in construction works. This European Standard covers radiators and convectors fed with water or steam at temperatures below 120 °C, supplied by a remote heat source. This European Standard does not apply to independent heating appliances This European Standard also defines the additional common data that the manufacturer shall provide to the trade in order to ensure the correct application of the products.