Bradford White® Gas Water Heater, Light Duty High Input, 78000 Btu/hr Heating, Natural Gas, 1/2 in Gas Connection, 55 gal Tank, Piezo Ignition, Atmospheric Vent, 4 in Vent Size, 76 gph at 100 deg F Rise Recovery, Surface Mount, 3/4 in NPT Water Connection, 150 psi, 180 deg F, Ultra Low NOx: No, ASME Yes/No: No, Steel, Vitraglas®, 24 in Dia x 27-1/4 in D x 58-1/2 in H, Domestic