SKU:33713
1700 Series Water Heater
120v
20 Gallon
W/O Engine Heat Exchanger
The "1700 Series" water heater provides hot water for galley and shower. Dense foam insulation provides better and longer heat retention than traditional fiberglass. The tank itself is protected by a 75 PSI T P (temperature and pressure) relief valve. The cylindrical design of the tank enables it to withstand more pressure than a cube shaped tank.
Heat exchanger models can be connected to the engine cooling system. This provides the added convenience of hot water when underway or generator power is not available. The innovative heat exchanger is over seven feet in length and is evenly coiled throughout the interior of the tank, providing hot water rapidly and efficiently.
Raritan's water heaters use an ignition protected thermostat. Although it is factory set to 120F, it is adjustable from 110 to 160F and has a safety shut down limit of 190F. All models and sizes have the plumbing connections on the same side to simplify installation. Hot and cold water connections are 3/4" male NPT (National Pipe Thread). Heat exchanger connections are 3/4" female NPT.
Benefits:
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
The Raritan 20-Gallon Marine Water Heater (Model 172001) is designed to deliver reliable hot water for galley and shower applications aboard boats. Operating at 120 volts, this unit features a durable glass-lined steel tank that is engineered to withstand the demanding marine environment. The cylindrical design enhances the tank's ability to resist pressure, making it more robust compared to traditional square tanks. Dense foam insulation surrounds the tank, providing superior heat retention and energy efficiency, which helps conserve power and maintains consistent hot water availability during extended use.
This model is equipped with a T P (temperature and pressure) relief valve rated at 75 PSI, ensuring safety and compliance with marine standards. The plumbing connections are conveniently located on the same side, with 3/4" male NPT fittings for hot and cold water, simplifying installation and maintenance. The unit features an ignition-protected thermostat that is factory set to 120°F but can be adjusted between 110°F and 160°F, with a safety cutoff at 190°F. This allows users to customize water temperature to their preference while maintaining safety.
Designed for versatility, this water heater can retrofit most onboard pressure systems with ease. Its proven long-life design includes a replaceable magnesium anode to protect against corrosion and neutralize acids in the water, extending the tank's lifespan. The attractive polymer jacket resists moisture and corrosion, further enhancing durability. This model does not include a heat exchanger, making it ideal for installations where engine cooling system connections are unnecessary. The unit is assembled by hand, individually tested, and backed by a five-year limited warranty on the tank and a two-year warranty overall, supported by Raritan’s renowned technical support team.
For safety information, please refer to the detailed manual available online. This product complies with environmental standards through CFC-free foam insulation, ensuring eco-friendliness. Whether upgrading an existing system or installing a new water heating solution, the Raritan 20-Gallon Water Heater offers dependable performance, safety, and ease of installation for marine applications.
Features:
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