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Whale Marine

12V Water Heater - 11 ltr (3 US Gal), Electric Only

A Wide Range Of Water Heaters Suitable For Harsh Marine Conditions. Available in The Americas only (with exception of SE340W 12 V Water heater which is available worldwide).

Hot Water On The Go For Outboard Boats

Featured Product Components


Drain valve with integrated magnesium anodes for a longer system life


300W Element provides hot water in less than 60 minutes and maintains hot water for up to 10 hours

Secure Installation

Tank welded mounting brackets

Integrated Safety Controls

Pre-installed Temperature and Pressure Valves

Robust Exterior

White epoxy coated aluminium


Unique 12 V Water Heater - Hot Water On The Go For Outboard Boats

The S360EW is an electric only 12 V Water Heater brand new to the marine industry. Ideal for outboards the water heater connects to 12 V power supply meaning there is no need for a generator, inverter or shore power. The neat design of the water heater means it can fit in compact spaces and electric only means installation is no longer tied to the engine room. Rather the water heater can be fitted in the galley, transom or other storage spaces simplifying installation and allowing for more space on board.

The Water Heater has a rapid heat up time with hot water in less than an hour and is highly efficient with heat retention of up to 10 hours. The heater is ideal for use with deck showers and warming wet suits providing 3 Gals of hot water at a time.

With all Whale Water Heaters safety comes to the forefront and the 12V water heater is no different with integrated temperature and pressure valve plus a thermal cut-out and heat Indication output. The heater also has an integrated anode for longer life and the relay allows for switching at the helm for ease of use and control.

Included in the Boating Industry 2015 Top Product Listing

  • Watch video

Awards and accreditations
  • CE marked

Typically installed in the following boat types
  • Runabout
  • Sport Fishing
  • Centre Console
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CodeNameOrientationElectric and Heat ExchangerCapacity (gal)PSIExterior Material
S360EWS360EWHorizontalElectric Only375 psiWhite Epoxy


  • 12 V Water Heater Datasheet


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    WX1599 Thermostatic Mixer Valve


There are currently no spares for 12V Water Heater - 11 ltr (3 US Gal), Electric Only.


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