Ключевые слова:
Testing conditions, Instructions for use, Type testing, Flueless heaters, Classification systems, Heaters, Flames, Flues, Gaseous fuels, Stability, Design, Burners, Radiant heaters, Equipment safety, Test equipment, Performance testing, Safety devices, Forced-draught burners, Control devices, Air heaters, Safety measures, Packaging, Gas space heating, Test pressure, Marking, Overhead, Thermal measurement, Leak tests, Industrial, Ignition, Performance, Gas-powered devices, Combustion, Heating equipment, Temperature, Luminescent devices