... Efficiency:82%; 3) Ceramic glass, SIT valve, firebox, burner, gas logs, black louver, blower; 4)N.T.:60kg Specifications:1 ... ) Efficiency: 82%;4) Fuel: Natural gas/LPG5) Ceramic glass, SIT valve, firebox, burner, gas logs, black louver, blower6) Yellow flames ... taste7) Safety guaranteed for life against thermal breakage8) Lower cost of ownership; door removes easily for cleaning9) Convenient control for ...