Lochinvar® Gas Water Heater, Large Capacity, Series: LTN, 75100 Btu/hr Heating, Natural Gas, 1/2 in Gas Connection, 98 gal Tank, 4 in Vent, 81 gph at 100 deg F Rise Recovery, 1 in Water Connection, 150 psi, Tall or Short: Tall, Ultra Low Nox: No, Glass Lined Steel, 27-3/4 in Dia x 68-1/2 in H