1700 SERIES WATER HEATER Simple installation retrofits to most on-board pressure systems. Proven long-life design. Withstands the rigors of the marine environment. Attractive polymer jacket resists corrosion from dampness. Ignition-protected thermostat. Adjustable thermostatic control. Glass-lined steel tank for long life and high efficiency. Environmentally friendly CFC-free foam insulation. Replaceable magnesium anode to protect tank and neutralize acids in the water. The tank is covered by a five-year limited, arranty. Each unit is assembled by hand, individually tested and backed by RaritanÆs one-year Limited Warranty and legendary technical support team. The 1700 Series water heaters provide hot water for galley and shower. The high recovery rate is complemented by the foam insulation. The tank itself is protected by a 75 PSI temperature and pressure relief valve. The tank is tested to withstand a burst pressure of 300 PSI. Heat exchanger models can be connected to the engine cooling system.