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1700 Marine Water Heater

1700 Series Marine Water Heater – Durable Hot Water Performance for Life on the Water

The Raritan 1700 Series Marine Water Heater delivers dependable, long-lasting hot water to your onboard plumbing system—whether you're connected to shore power or cruising under engine power. Built specifically for the marine environment, this rugged unit combines smart engineering, quality materials, and efficient performance into a compact, easy-to-install package.

At its core, the 1700 Series features a glass-lined steel tank surrounded by high-density non-CFC foam insulation, maximizing heat retention and minimizing energy consumption. Independent testing has shown this glass-lined design offers greater durability than conventional stainless steel tanks, especially in marine conditions. A sacrificial magnesium anode further extends the life of the system by protecting against internal corrosion, even in areas with fluctuating water quality.

When docked, the electric heating element delivers a fast recovery rate of 13 gallons per hour, or up to 18 GPH with 240V power. The built-in adjustable thermostat allows water temperatures up to 160°F, meaning you can blend hot with cold to stretch the capacity of your tank further—ideal for multiple showers or extended use.

Underway, the optional integrated heat exchanger taps into your engine’s cooling system to heat water using waste engine heat—an energy-efficient solution that requires no additional power draw. The heat exchanger features an extended 7-foot internal coil for maximum surface contact and effective thermal transfer.

Installation is straightforward with all connections located on a single side. Standard ¾” NPT fittings make retrofitting into existing pressure water systems simple. Choose from 6, 12, or 20 gallon models depending on your boat's layout and hot water demands.

Whether you’re living aboard or just cruising for the weekend, the 1700 Series is engineered to provide quiet, reliable hot water for years—without compromising space or efficiency.

 

$1,455.00
Part Number: 170601
Shipping Weight:35lbs
Shipping Height:19in
Shipping Width:19in
Shipping Depth:21in
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