This European Standard specifies the terminology, the general requirements for the construction and operation of automatic forced draught gas burners and also the provision of control and safety devices, and the test procedure for these burners.This standard is applicable to- automatic gas burners with a combustion air fan (hereinafter called """"burners"""") as described in 3.1.2 and gas line components, intended for use in appliances of different types, and that are operated with gaseous fuels;- total pre mixed burners and nozzle mixed burners.The standard is applicable to- single burners with a single combustion chamber;- single fuel and dual fuel burner