Mason-Lite B-Vent 12" High-Wind Cap h27.8 and even the front entry

and even the front entry

Model Name Imperial Carousel Gas Fuel Type Natural Gas BTU 62000 Finish RAL 5014 49/42320 Powder Coat Connector Size 8" UL All Fuel Chimney Required Width 41

12" x 6" Retro "H" Burner - 34K BTU's (316 Stainless Steel) / 1/2 Gas Inlet / Includes NG Orifice

Enhanced Safety Features - An integrated “Flame Failure Safety Shut-off Control” turns the heater off immediately should it not re-ignite for any reason

Mason-Lite B-Vent 12" High-Wind Cap h27.8 and even the front entryB Vent is a GAS ONLY metal chimney with smaller diameters. For those fireplaces requiring complicated chimney runs, B Vent may be just the answer. What's Included High Wind Cap Features Provides improved performance in high wind conditions. For vertical terminations only. Specifications Item Number Mason Lite 12BVVT Product Type High Wind Cap Venting Type B Vent Size (Diameter) 12" A 19 1 4" B 18 3 4" Dimensions Warranty Lifetime Limited Warranty