Enjoy hot water at the dock or underway with an easy-to-install Kuuma water heater.Installed as original equipment on many boats, including Sea Ray, Four Winns, Hunter, Beneteau, and Boston Whaler, Kuuma water heaters enable you to enjoy hot water heated dockside with AC power or with engine heat when underway. Heaters feature a marine-grade aluminum case and cladded aluminum tank with 1500W heating element and large diameter, dual-loop heat exchanger. Circuitry is ignition protected, and each model includes a high-temperature limiter with automatic reset.Heat exchanger ports for this model are located at the "Rear" of this unit, opposite the side with potable water in/out ports and the electrical box. Use of a magnesium anode is highly recommended to extend tank life.Key FeaturesMarine-grade aluminum caseCladded aluminum tank1500W heating elementLarge diameter, dual-loop heat exchanger heats water fastIgnition-protected for safe operationHigh temperature limiter adds to safetyHeats water with AC power or engine water heat exchanger