... flame sontrol Key Specification electrical&gas room heater with hot fan 1.Used fuel: Liquefied petroleum gas, Liquefied propane gas(G31 ... , G30)2.Power: 4.2KW(Large), 2.8KW(Middle), 1.5KW(Small), adjustable for these three ... gears3.Gas consumption: 310g/h(Large), 210g/h (Middle), 110g/h (Small)4 . 3 level Ceramic ...