Pros
- Dual heating methods provide versatile, reliable hot water
- Robust build with glass-lined tank and foam insulation
- High customer rating reflects real-world boat performance
- Adjustable thermostat for precise temperature control
- Handles up to 75 PSI for strong water pressure
Cons
- Heavy at 72 pounds, requires sturdy floor mounting
- Floor-mount design limits placement options
- Larger footprint at 18in W x 29.5in H
The Raritan 20-Gallon Hot Water Heater with Heat Exchanger (model 172011) is a marine-grade appliance designed specifically for boats. It delivers 20 gallons of hot water using either 120V AC power or engine cooling water through its integrated heat exchanger, making it perfect for galley and shower use during long voyages or at dock.
Standout features include a corrosion-resistant glass-lined steel tank, dense foam insulation for superior heat retention, and an ignition-protected adjustable thermostat that operates safely up to 160°F. Users report excellent real-world performance on boats, with reliable heating and simple installation into existing pressure systems. Its high-efficiency rating ensures minimal energy waste, even in demanding marine conditions.
Build quality shines with a fiberglass exterior and robust construction weighing 72 pounds, built to withstand saltwater exposure. The floor-mount design secures it firmly, though its size (18"W x 29.5"H) demands planning for space. While heavy, this contributes to its stability and longevity.
Potential drawbacks include the weight making solo installation challenging and the floor-only mounting restricting flexibility. However, these are minor for its target marine audience.
Overall, this heater earns its strong reputation for delivering consistent hot water. Ideal for boaters prioritizing durability and efficiency, it offers exceptional value for marine applications.
Key Specs:
- Capacity: 20 Gallons
- Voltage: 120 Volts (Corded Electric)
- Max Temperature: 160°F
- Max Pressure: 75 PSI
- Dimensions: 18"W x 29.5"H
- Weight: 72 Pounds
- Mount Type: Floor
- Color: White
- Material: Fiberglass (Glass-Lined Steel Tank)
Model: 172011 | ASIN: B007I93N00