Gas-Fired Duct Furnace Furnace Type Power Vented Heating Capacity Input 300 000 BtuH Heating Capacity Output 240 000 BtuH Air Temperature Rise 30 Degrees F Required Air Flow 2 778 cfm Service Access Location Bottom Overall Height 37 3/4 in Overall Width 37 1/8 in Overall Depth 37 in Gas Connection Size 3/4 in Gas Connection Type Male NPT Air Flow 7 407 cfm Air Flow @ 65(F) Rise 3 300 cfm Air Flow @ 80(F) Rise 2 700 cfm Burner Air Inlet Size 6 in Combustion Type Open Combustion