Lochinvar®, 100352805, Condensing Water Heater, Armor, Series: AWN, 201000 Btu/hr Heating, Natural gas Fuel, 1/2 in Gas Connection, 1.8 gal Tank, Direct Spark Ignition, 3 in Vent, 234 gph at 100 deg F Rise Recovery Rate, 1-1/4 in Water Connection, 160 psi Pressure, Ultra Low NOx: Yes, Stainless Steel, 33-1/4 in H x 15-1/2 in W x 22-1/4 in D Dimensions