Ключевые слова:
Boilers, Heating equipment, Forced-draught burners, Burners, Domestic, Water heaters, Hot-water supply systems, Hot-water boilers, Type testing, Fitness for purpose, Safety measures, Instantaneous water heaters, Storage water heaters, Temperature, Temperature-rise limit, Testing conditions, Performance testing, Efficiency, Pressure testing, Temperature measurement, Mathematical calculations, Marking, Instructions for use