Water Heater; LP; Tankless/ On Demand; 2.4 GPM (Gallon Per Minute); With Electronic Ignition; 60000 BTU; 12-5/8 Inch Height x 12-5/8 Inch Width x 19-1/8 Inch Depth Product Dimensions Without Door; 12-5/8 Inch Height x 12-3/4 Inch Width x 23-1/2 Inch Minimum Cutout Dimensions; 27.6 Pounds; Non-Portable; With Anti-Freeze/ Low Water Flow/ Over Current/ High Water Pressure/ Over Temperature Protection; With Wall Controller And Instruction Manuals (Access Door Sold Separately)