Whale F600 Water Heater, 6-Gallon Capacity, 120V, Front Heat Exchanger, 13 Inches W x 19 Inches D x 13 Inches H
Amazon.com: Whale S360EW 12V Water Heater, 3 Gallon Capacity, Quick and Efficient Water Heating, Maintains Hot Water up to 10 Hours, Runs on 12V DC Power, Ideal for Use with Deck Showers, :
Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Stainless Steel - 120V - 1500W