Power Vent 75 Gallon Gas--------------------------------------------------------------------------------Available Capacities:75,000 BTU/HRAvailable Warranties:3 year limited tank warranty--------------------------------------------------------------------------------Features:Vents with 3" or 4" schedule 40 PVC, CPVC or ABS pipe. Vents up to 60 feet. Easy to install/maintain blower assembly. Spark-to-pilot ignition system. Cast iron burner. Self-diagnostic thermostat/gas valve. 2" of rigid polyurethane foam insulation provides superior insulating qualities, improves efficiency and reduces operating costs. Factory installed AGA/ASME rated Temperature and Pressure relief valve. Durable brass drain valve.