What capacities are available in this Whale water heater line?

This line comes in two capacities: the S600 at 6 gallons and the S1100 at 11 gallons, both with a 120V rear heat exchanger.

How do I choose between the 6 gallon and 11 gallon models?

Pick the S600 (6 gallon) for smaller boats or light hot water use, and the S1100 (11 gallon) for larger vessels or crews needing more sustained hot water for showers and galley use.

What voltage do these water heaters run on?

Both models run on 120 volts and are rated at 14400 watts.

Where is the heat exchanger located?

Both models use a rear-mounted heat exchanger in a horizontal orientation, allowing engine coolant to supplement electric heating.

Are these water heaters safe to install near an engine?

Yes, both the S600 and S1100 are ignition protected, making them suitable for installation in enclosed engine compartments.

What is the tank made of?

Both models are built from galvanized steel, chosen for its corrosion resistance in marine environments.

How is freshwater kept separate from the heating loop?

Double wall heat exchangers in both models keep potable freshwater isolated from the engine coolant loop, preventing contamination.

What pressure rating do these units carry?

Both the S600 and S1100 carry a 100 PSI pressure rating.

Whale 120V Galvanized Marine Water Heater - 6 or 11 Gal

Whale Galvanized Marine Water Heater with Rear Heat Exchanger - 120V, Available in 6 Gallon and 11 Gallon

$812.16

The Whale galvanized marine water heater line delivers reliable hot water for galley and shower use aboard your boat, combining 120V electric heating with a rear-mounted heat exchanger that lets engine coolant supplement the electric element while underway. Built from corrosion-resistant galvanized steel and rated ignition protected, these tanks are engineered for the demands of a marine engine compartment. Choose the capacity that matches your crew size and hot water demand, from the compact 6 gallon S600 to the higher-capacity 11 gallon S1100.

Specifications

Brand: Whale
Voltage: 120 Volts
Wattage: 14400 Watts
Heat Exchanger Type: Double Wall
Heat Exchanger Location: Rear, Horizontal Orientation
Pressure Rating: 100 PSI
Construction Material: Galvanized Steel
Ignition Protection: Ignition Protected
Mount Type: Panel Mount
Power Source: Corded Electric

Sizes & Options

This water heater line is available in two capacities. The S600 holds 6 gallons and suits smaller boats or crews with lighter hot water demand, while the S1100 holds 11 gallons for larger vessels or more frequent showers and galley use. Both share the same 120V rear heat exchanger design, double wall construction, and ignition-protected rating, so your choice comes down to tank capacity and available installation space.

Whale Galvanized Marine Water Heater with Rear Heat Exchanger - 120V, Available in 6 Gallon and 11 Gallon

Specifications

Sizes & Options

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