| Descriptors |
Combustion products, Manual control systems, Marking, Automatic control systems, Temperature-rise limit, Gas-powered devices, Testing conditions, Gas space heating, Classification systems, Maintenance, Heat exchangers, Ignition systems (heat engineering), Domestic, Performance testing, Central heating, Safety devices, Heaters, Heat, Fire safety in buildings, Domestic safety, Pilot flames, Air heaters, Temperature control, Leak tests, Test equipment, Ignition, Instructions for use, Fire safety, Fire risks, Design, Performance, Flues, Ducting, Fan-assisted warm-air heating, Combustion, Control systems, Flames, Installation, Warm-air heating
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