Advantages: Clean combustion. Easy to maintain. High capacity for low price. Characteristics: Durable phosphated bodywork with powder coating. With adjustable capacity (gas pressure) regulator (except G 12), overheating protection, hose breakage security and 2 m hose. Double security of gas supply. G models with a Piezo push button ignition and a thermo couple flame protection. GA models with burner relay, ionisation flame protection and thermostat connector plug. G 12 also suitable for butane gas. Room ventilation is required.