Specification for dedicated liquefied petroleum gas appliances. Mobile and portable non-domestic forced convection direct fired air heaters|Combustion products, Safety devices, Performance testing, Convection heaters, Liquefied petroleum gas, Classification systems, Temperature, Mobile, Test equipment, Commercial, Testing conditions, Verification, Marking, Gas-powered devices, Instructions for use, Packaging, Thermal properties of materials, Ventilation, Legislation, Geographic and political divisions, Pilot flames, Maintenance, Heaters, 3rd family gases, Test pressure, Gas circuits, Relative density, Pressure, Thermostats, Portable, Ignition, Flow nozzles, Fire safety, Designations, Gases, Temperature measurement, Performance, Stability, Temperature-rise limit, Air control devices, Industrial, Air heaters, Heating equipment, Safety measures, Threaded components, Control devices