17-1/2" x 28" x 34-1/2" 115 Volt Natural Gas Upflow/Horizontal Furnace Price For: EachOrder Unit: each Item: Upflow/Horizontal Furnace Type: Natural Gas Voltage: 115 Output (BtuH): 38,400 Input (BtuH): 40,000 AFUE (%): 96.0 Height (In.): 34-1/2 Width (In.): 17-1/2 Depth (In.): 28 Supply Opening Width (In.): 16 Supply Opening Depth (In.): 19-1/2 Available Cooling Tons: 1 to 2 CFM @ .5 ESP: 1208 Flue Dia. (In.): 2 to 3 Side Return Filter Size: 14 x 30 Bottom Return Filter Size: 14 x 30 Number of Filters Required: 1 Transformer Rating: 40VA Agency Compliance: ETL, ANSI Z21.47 and Low NOx Emissions Manufacturers Warranty Length: 10 yr. Parts, Lifetime Heat Exchanger, 10 yr. Unit Replacement