This European Standard specifies the requirements and test methods for the construction, the safety and the rational energy usage of an assembly made up of a boiler body complying with EN 30311 and a forced draught gas burner complying with EN 676, using combustible gases, hereafter referred to as a "boiler''. This Eumnean Standard annlies to a boiler.
EN 303-3:1998 history
1998EN 303-3:1998 Heating boilers - Part 3: Gas-fired central heating boilers - Assembly comprising a boiler body and a forced draught burner