Ключевые слова:
Fuel-effect appliances, Gas-powered devices, Heaters, Classification systems, Gaseous fuels, Conversion, Maintenance, Pipe connections, Safety devices, Control devices, Gas valves, Ignition systems (heat engineering), Burners, Flames, Temperature, Combustion, Combustion products, Performance testing, Testing conditions, Test pressure, Thermal testing, Leak tests, Pressure testing, Fire tests, Temperature measurement, Soot, Marking, Instructions for use, Hearths, Flues, Test equipment