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 28 gal tank producing 6000 W, the EN6-30-DOLS delivers a first hour rating of 41 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.