

🌊 Hot water, cool boat vibes — stay warm, stay ahead!
The Whale Marine S300W is a compact 3-gallon marine water heater designed for boats, featuring a dual heat source system that uses engine coolant or 120V electric power. Its durable Alcoa Alclad aluminum tank with white epoxy coating ensures corrosion resistance, while a thermostat maintains water temperature at 140°F. Safety is prioritized with a temperature pressure relief valve and large drain valve, making it a reliable and efficient choice for marine hot water needs.
| Brand | Whale Seaward |
| Product Dimensions | 14.5"W x 13"H |
| Color | White |
| Wattage | 3000 watts |
| Voltage | 120 Volts |
| Maximum Temperature | 140 Degrees Fahrenheit |
| Style | Indoor Installation |
| Mounting Type | Wall |
| Manufacturer | ATTwood |
| Item Depth | 13 inches |
| UPC | 682500933554 |
| Item Weight | 16 pounds |
| Manufacturer Part Number | S300W |
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