Ключевые слова:
Domestic, Heaters, Gas-powered devices, Convection heaters, Fan-assisted warm-air heating, Burners, Space-heating systems, Rated power, Safety measures, Equipment safety, Efficiency, Classification systems, Gases, Assembling, Design, Access, Electrical equipment, Adjusting devices, Control devices, Valves, Ignition systems (heat engineering), Thermostats, Temperature-rise limit, Combustion products, Control samples, Performance testing, Chemical composition, 1st family gases, 2nd family gases, 3rd family gases, Test pressure, Formulae (mathematics), Testing conditions, Thermal testing, Probes, Test equipment, Instructions for use, Marking