Bradford White® Gas Water Heater, Series: eF Series®, 76000 Btu/hr Heating, Natural Gas, 1/2 in Gas Connection, 50 gal Tank, Spark Pilot Ignition, Direct/Power Vent, 2 in, 3 in, 4 in Vent Size, 84 gph at 100 deg F Rise Recovery, 80 % Energy Efficient, Surface Mount, 3/4 in NPT Water Connection, 150 psi, Ultra Low NOx: No, ASME Yes/No: No, Steel, Vitraglas®, 24 in Dia x 33-3/4 in D x 67-7/16 in H, Domestic