room gas heater 1.Flame failure device 2.oxygen depletion sensor ... gas room heater with hot fan 1.Used fuel: Liquefied petroleum gas, Liquefied propane gas(G31, G30)2.Power: 4.2KW(Large), ... Middle), 110g/h (Small)4 . 3 level Ceramic plate with 4200KW + 1600KW heating wire+1200KW Quartz +15w fanFeatures: 1. ... pass fire under low-pressure cold state5..Equipped with castors,to move flexibly and conveniently