Ключевые слова:
Domestic|Design|Automatic control systems|Domestic safety|Pressure testing|Control devices|Fire safety|Flues|Combustion|Marking|Combustion products|Ignition systems (heat engineering)|Leak tests|Stability|Gas space heating|Testing conditions|Electrical safety|Hot-water supply systems|Central heating|Gas-powered devices|Performance testing|Valves|Instructions for use|Temperature rise|Boilers|Thermal testing|Temperature|Maintenance|Installation|Performance|Classification systems|Test equipment|Mathematical calculations|Water heaters|Hot-water boilers|Flames