本欧洲标准规定了配备强制通风燃烧器的燃气中央供暖锅炉的施工，安全和合理的能源使用要求和试验方法。这些锅炉由在制造商的生产现场实现的锅炉本体和强制通风气体燃烧器的组装形成，整个设计并作为完整的锅炉销售。锅炉主体应符合EN 303-1标准。强制通风燃气燃烧器的施工应符合EN 676的要求

This European Standard specifies the requirements and test methods for the construction, the safety and the rational energy usage for gas-fired central heating boilers equipped with a forced draught burner. These boilers are formed of the assembly of a boiler body and a forced draught gas burner achieved on the production site of the manufacturer, the whole being designed and marketed as a complete boiler. The boiler body shall be in accordance with EN 303-1. The construction of the forced draught gas burner shall be in accordance with EN 676.