Raritan 20-Gallon Hot Water Heater with Heat Exchanger - 120V - 172011
Manufacturer Part #: 172011
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Raritan 20-Gallon Marine Hot Water Heater with Heat Exchanger – 120V
Model: 172011
Capacity: 20 Gallons
Power: 120V AC
Heating Type: Electric + Engine Heat Exchanger
Application: Marine / Boat Water Heater
Reliable Hot Water Onboard — At the Dock or Underway
The Raritan 20-Gallon Marine Hot Water Heater with Heat Exchanger delivers consistent hot water for showers, sinks, and galleys whether you’re plugged into shore power or cruising. Designed for marine environments, this high-capacity unit combines electric heating with an engine heat exchanger, giving you hot water while underway without extra electrical draw.
Dual Heating: Shore Power + Engine Heat
Enjoy fast hot water at the dock with 120V AC power, and free hot water while cruising using your engine’s heat. The built-in heat exchanger captures excess engine heat and transfers it to your water tank—efficient, smart, and perfect for long trips.
Marine-Grade Durability
Built for life on the water, this water heater features a corrosion-resistant tank and rugged construction to handle vibration and harsh marine conditions. The insulated tank helps retain heat longer, reducing reheating cycles and saving energy.
Easy Installation & Maintenance
Designed to integrate easily into most marine plumbing systems, this unit is ideal for new installs or upgrades. The compact footprint fits well in engine rooms and utility compartments on larger boats.
Key Features
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Dual Heating Sources: Uses a 120V AC element for dockside power and an integrated heat exchanger for "free" hot water from the engine.
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Superior Tank Longevity: The glass-lined steel tank is designed to outlast stainless steel competitors by resisting the corrosive effects of various water types.
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High-Density Insulation: Non-CFC foam insulation reduces heat loss, keeping water hot for hours after the power is off.
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Ignition Protected: Features a replaceable magnesium anode rod to further protect the tank from galvanic corrosion.
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Rugged Construction: Encased in a durable, corrosion-resistant jacket designed to withstand engine room environments.
In The Box
| Component | Description |
| Raritan 20-Gal Water Heater | Complete 120V unit with glass-lined tank (Model 172011) |
| Integrated Heat Exchanger | Pre-installed internal coil for engine coolant connection |
| Temperature/Pressure Relief Valve | Safety valve (75 psi / 210°F) |
| Anode Rod | Magnesium anode pre-installed to prevent electrolysis |
| Mounting Brackets | Heavy-duty feet for secure deck or bulkhead installation |
| Installation Manual | Detailed wiring and plumbing guide |
Technical Specifications
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Model Number: 172011
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Capacity: 20 Gallons (75.7 Liters)
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Voltage: 120V AC
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Wattage: 1250 Watts
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Recovery Rate: 11 Gallons per hour (electric)
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Weight: ~83 lbs (empty)
Perfect For
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Yachts
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Cabin cruisers
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Liveaboard boats
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Houseboats
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Offshore & long-range cruisers
Raritan 20-Gallon Hot Water Heater with Heat Exchanger - 120V - 172011 is backordered and will ship as soon as it is back in stock.
Raritan 20-Gallon Hot Water Heater with Heat Exchanger - 120V - 172011
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