Bradford White® Gas Water Heater, 85000 Btu/hr Heating, Natural Gas, 1/2 in Gas Connection, 100 gal Tank, Piezo Ignition, Atmospheric Vent, 4 in Vent, 82 gph Recovery, 3/4 in NPT Water Connection, 150 psi, 180 deg F, Ultra Low Nox: No, Steel, 28-1/4 in Dia x 69 in H