Gas-Fired Duct Furnace Furnace Type Power Vented Heating Capacity Input 150 000 BtuH Heating Capacity Output 120 000 BtuH Air Temperature Rise 30 Degrees F Required Air Flow 1 389 cfm Service Access Location Bottom Overall Height 37 3/4 in Overall Width 20 5/8 in Overall Depth 37 in Gas Connection Size 1/2 in Gas Connection Type Male NPT Air Flow 3 704 cfm Air Flow @ 65(F) Rise 1 500 cfm Air Flow @ 80(F) Rise 1 700 cfm Burner Air Inlet Size 5 in Combustion Type Open Combustion