| Descriptors |
Performance testing, Ignition, Fire safety in buildings, Leak tests, Automatic control systems, Flues, Instructions for use, Draughts, 3rd family gases, Flames, Temperature rise, Flued heaters, Combustion products, Convection heaters, Heating equipment, Gas-powered devices, Testing conditions, Manual control systems, Heat, Gas space heating, Classification systems, 1st family gases, Stability, Space-heating systems, 2nd family gases, Test equipment, Installation, Test pressure, Heaters, Mathematical calculations, Electrical safety, Maintenance, Combustion, Mechanical testing, Domestic, Domestic safety, Ignition systems (heat engineering)
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