Sierra Flame Emerson 48ST Gas Fireplace Pellet Burning Stoves Burner size: 30 inch LumaForest Burner size: 30 inch 76 8 ft³ Maximum log length 14 1 2" Shipping weight 78 lb (35 kg) Overall dimension (Width) 17" Overall dimension (Height) 25 3 4" Overall dimension (Depth) 19 1 2" Warranty Limited 1 year to carbon steel and welds of firebox Firebox size (Depth) 15 1 2" Flue outlet diameter 4" Door opening size (Height) 8" Mobile home approved No Distance center of the flue outlet to side unit 9" Log positioning Loading over depth Canadian Standard (safety) ULC S627 Steel thickness top 12 Ga Firebox size (Height) 15" Steel thickness body 12 Ga Door opening size (Width) 8" Baffle type Distance center of the flue outlet to back unit 3 1 2" Recommended chimney diameter 4" Door type Steel Firebox size (Width) 14 1 2" Featuring a robust flame and a significant heat output at 26 A new vertical installation adapter kit is available for through the roof applications