3 Gallon Electric Water Heater with Aluminum Case and Tank, 120V AC

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SKU: S300EW Categories: , , ,
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The small size of this water heater opens up a range of installation possibilities.

Weighing just 14 pounds and with its small size, this water heater is a good choice for installation on smaller boats, for example as a source of hot water for a deck shower. It’s small enough to fit under seating, or other places where larger capacity water heaters won’t fit. Use of a magnesium anode is strongly recommended to prevent galvanic corrosion and extend tank life.


  • 3-gallon capacity
  • 120V AC operation, (electric only, no heat exchanger)
  • Hold-down brackets welded to inner tank for strength
  • Double wall heat exchanger
  • Integrated pressure relief valve
  • Temperature and pressure drain tube included
  • Ignition protected
  • Sturdy epoxy coated exterior

Additional information

Plumbing & Ventilation

Freshwater Systems

Amperage 12 Amps at 120 Volts
Capacity 3 Gallons
Dimensions 14 1/2" Width x 13" Height x 14" Depth
Material Aluminum
Voltage 120 Volts AC
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