The test code applies to the tests of the thermal performance of oil-fired heating boilers (hereafter called “boilers”) and combined boilers and water heaters. The requirements are laid down in EN 303-1 and EN 303-2.This standard includes the requirements and recommendations for carrying out and evaluating the procedure for testing boilers and also the details of the technical conditions under which the tests shall be carried out.
EN 304:1992 history
2017EN 304:2017 Heating boilers - Test code for heating boilers for atomizing oil burners
1992EN 304:1992 Heating Boilers - Test Code for Heating Boilers for Atomizing Oil Burners Includes Amendment 1: June 1998 and Amendment 2: September 2003