Designed for boats and yachts, the Kuuma 11850 delivers reliable hot water with flexible heating options for new builds or replacements.
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Capacity: 11 Gallon
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Electrical Input: 240V
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Orientation: Horizontal
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Mounting Brackets: Side to Side
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Heating Source: Front heat exchanger or 240V electrical input
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Construction: Corrosion-resistant marine-grade aluminum
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Controls: Ignition-protected controls with manual reset
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Safety: Manual reset
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Maximum Water Temperature: 210°F
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Pressure & Temperature Valve: 100 psi and 210°F
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Wiring Configuration: L1 and N
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Dimensions: 18-7/8" W x 16-1/4" H x 21-5/8" D
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Sold As: Individual
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Dual Heating Flexibility: Use 240V shore power for dependable heating or rely on the integrated front heat exchanger when electrical capacity is limited or plumbing routing favors heat exchange efficiency
This water heater adapts to your vessel’s setup with dual heating options, allowing you to optimize for available electrical capacity and plumbing layout. Its horizontal design and side-to-side mounting brackets simplify installation in tighter engine spaces, while ignition-protected controls and a manual reset provide safety-focused operation onboard. With a 210°F maximum water temperature, you’ll have hot water ready for showers, cleaning, and crew duties, whether you’re outfitting a new build or upgrading an aging system.
