Lochinvar® Electric Water Heater, Junior, Series: JER, 28 gal Tank, 240 VAC, 4500 W, 1 ph, Zinc Plated Copper Sheath Heating Element, 21 gph at 90 deg F Rise Recovery, 150 psi, ASME Yes/No: No, Glass Lined Steel, 22 in W x 30 in H