Ключевые слова:
Equipment safety|Gas space heating|Controllers|Flames|Mathematical calculations|Ignition|Burners|Temperature|Combustion|Flow rates|Gaseous fuels|Industrial|Commercial|Classification systems|Air intakes|Heating equipment|Flues|Control devices|Heaters|Gases|Overhead|Marking|Air heaters|Electrical equipment|Performance testing|Testing conditions|Conversion|Packaging|Valves|Safety measures|Maintenance|Instructions for use|Thermal testing|Gas-powered devices|Equivalence|Test pressure|Radiant heaters|Temperature measurement|Multiple|Symbols