Water heater offers dynamic heat source choices

After a long day on the water, having ample supplies of hot water for multiple showers and meal preparation is a welcome luxury. The 1700 Series Marine Water Heater from Raritan Engineering was created specifically for marine use. With a proven long-life design, it’s available with a 115V AC or 240V AC heating element, and the option to include an innovative heat exchanger that uses the vessel’s hot engine coolant.

The Raritan 1700 Series is available in convenient 22.7, 45.4 and 75.7 liter sizes and designed to operate downstream of an onboard water system pump. Like a residential water heater, each is glass lined for durability and corrosion-free, clean-tasting water. High-density, eco-friendly CFM-free foam insulation with a high R-value is used for maximum heat retention. The tanks have an attractive easy-to-clean polymer jacket.

Highly efficient, the 1700 Series Marine Water Heater has a dockside recovery rate of 49 lph on 115V and 68 lph when running on 240V. The integrated adjustable thermostat with ignition protection can be set as high as 71° C to extend the tank’s capacity when mixing with cold water. A check valve is required to prevent hot water migrating back to the pump. The replaceable anode protects the unit and neutralizes acids in the water. The available heat exchanger is a 2.1m coil of hose that runs inside the tank and is connected to the engine cooling system.

Simple to install, all plumbing connections are on one side of the 1700 Series Marine Water Heater. This makes it easy to retrofit without disrupting other pressure systems. Fittings for hot and cold potable water are all 3/4″ male NPT; the heat exchanger’s are 3/4″ female NPT.

Raritan 1700 Series Marine Water Heaters are exceptionally compact. The 22.7l model is 368mm dia. x 412mm H and weighs 16.3kg; the 45.4l, 476mm dia. x 412mm H and 28.1kg; and the 75.7l, 476mm dia. x 615mm H and 36.7kg. Each is assembled by hand, individually tested and backed by Raritan’s two-year limited warranty and legendary technical support team.

The 1700 Series Marine Water Heater from Raritan Engineering is available in Australia through:


WA – | +61 08 9331 0000

QLD – | +61 07 5540 6800

Gold Coast – | +61 07 5540 6880

NSW – | +61 02 9816 7100

SA – | +61 08 8249 3200

VIC – | +61 03 5978 0143

Darwin – | +61 08 8981 6651