With a proven long-life design, these water heaters feature an attractive polymer outer jacket that won't rust. Inside is a durable glass-lined steel tank surrounded by environmentally-friendly, CFCfree foam insulation. At sea, the built-in engine heat exchanger heats water rapidly, while at the dock an electric heating element quickly gets your water hot. All models include adjustable thermostats and are ignition and thermal-overload protected. Each includes a built-in engine water heat exchanger and a 120V or 220V AC heating element,
Draw: 5A @240V AC
Material: Glass-lined steel
Port Sizes: 3/4" male NPT, 3/4" female NPT heat exchanger