The ProLine standard electric water heater is the reliable choice when you are looking to maximize your hot water output and is designed with environmentally-friendly insulation to reduce standby heat loss. With a 50 gal tank producing 6000 W, the EN6-50-DORS delivers a first hour rating of 62 gal and a recovery rate of 21 gph. With an 0.95 Energy Factor, this water heater is not ENERGY STAR qualified. It carries a 6-year limited tank warranty.