The ProLine® standard Electric Water Heater is a 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 (nominal) tank producing 6000 W, the ESX-50-DONT delivers a first hour rating of 62 gal and a recovery rate of 21 gph. With an 0.92 Uniform ENERGY FACTOR®, this water heater is not ENERGY STAR® certified. It carries a 10 years limited tank warranty.