413. Camplux. 1.3-Gallon Compact 1-year Warranty 1440-Watt 1 Element Point Of Use Electric Water Heater. Model # ME10. Find My Store. for pricing and availability. A.O. Smith. Signature 500 55-Gallon Tall 12-year Limited Warranty 5500-Watt Double Element Smart Electric Water Heater. Model # EE12-55H55DVF.