50 Gallon, Natural Gas, Power Vent Water Heater, Energy Star, Vents With 3" Schedule 40 PVC, CPVC Or ABS Pipe, 40,000 BTU's, Energy Factor .67, Advanced Intelli-Vent Gas Control, Hot Service Igniter, Glass Lined Tank With Anode Rod To Protect Against Corrosion, Factory Installed T & P Valve Dimensions: 65" Tall, Top Of Power Vent Assembly x 22" Diameter, 6 Year Tank & Parts Warranty, FVIR Approved.