Residential Gas Water Heater; Type Indoor, Non-Condensing; Inlet/Outlet Connection 3/4 Inch Threaded x 3/4 Inch Threaded; Gas Type Natural/Liquid Propane; Venting Type Power, Direct, Concentric; Draft Hood Outlet/Vent Size 3 Inch or 5 Inch; Electrical Input Supply Rating 120 Volt AC; Gas Input Supply Rating 15000 to 199000 BTU/Hour; Temperature Rating 194 Deg F; Tank Dimensions 13-3/4 Inch Width x 11-1/2 Inch Depth x 20-1/2 Inch Height; Ignition Type Electronic Spark; Options Remote Control, Isolation Valve Kit, Product Preserver, Conversion Kit, Multi-Unit Controller; Inclusions/Features Built-In Freeze Protection, Manual Reset Hi-Limit, Overheat Cut-Off Fuse, Inlet and Outlet Thermistor, Flame Sensor, Air Fuel Ratio Rod; Applicable Standard AHRI, ANSI Z21.10.3, UPC, IAPMO, NSF; Lead-Free; Energy Factor 0.81; Working Pressure Rating 15 to 150 PSI; Maximum Flow Rate 10 GPM; Heat Exchanger Material Copper Alloy