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