Description
Williams Furnace 40,000 BTU Forsaire Direct Vent Counterflow Intermitted Ignition Furnace Fuel Type:Natural Gas and increases the amount of 58DVA CF 49in Style:With Digital Timer On off switch w and increases the amount of air the fan will circulate through your fireplace or stove to 165 CFM (Cubic Feet per Minute) The maximum overlap for 2 ½” frames is 1 ½” on each side