Marine Hot Water Heaters for Reliable Onboard Comfort
Enjoy warm water anytime on your boat with our dependable selection of marine hot water heaters. Perfect for showers, galley use, and onboard cleaning, these systems are built to deliver consistent hot water while withstanding the tough conditions of life at sea.
Our collection includes electric, engine-exchange, and combination water heaters from trusted marine brands—featuring stainless steel tanks, corrosion-resistant components, and compact designs that fit easily in tight onboard spaces. Efficient and durable, these heaters ensure comfort whether you’re docked or underway.
Shop now to upgrade your vessel with a high-performance marine hot water heater and bring the convenience of home to your next adventure.
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Vendor:Whale Marine
Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - Galvanized Steel - 120V - 1500W [F1100]
Regular price $635.95 USDRegular price$799.99 USD-$164.04 USD Sale price $635.95 USD -
Vendor:Whale Marine
Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchanger - Galvanized Steel - 120V - 1500W [F600]
Regular price $559.95 USDRegular price$739.99 USD-$180.04 USD Sale price $559.95 USD -
Vendor:Kuuma Products
Kuuma 11850 - 11 Gallon Water Heater - 240V [11850]
Regular price $530.95 USDRegular price$724.99 USD-$194.04 USD Sale price $530.95 USD -
Vendor:Whale Marine
Whale Seaward 3 Gallon Hot Water Heater - White Epoxy - 120V - 1500W [S300EW]
Regular price $623.95 USDRegular price$819.99 USD-$196.04 USD Sale price $623.95 USD -
Vendor:Whale Marine
Whale Seaward 6 Gallon Hot Water Heater - White Epoxy - 240V - 3000W [S650EW-3000]
Regular price $649.95 USDRegular price$849.99 USD-$200.04 USD Sale price $649.95 USD -
Vendor:Whale Marine
Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 240V - 1500W [S650]
Regular price $593.95 USDRegular price$769.99 USD-$176.04 USD Sale price $593.95 USD -
Vendor:Whale Marine
Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - 120V - 1500W [S600]
Regular price $558.95 USDRegular price$729.99 USD-$171.04 USD Sale price $558.95 USD -
Vendor:Whale Marine
Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - Stainless Steel - 120V - 1500W [S700]
Regular price $666.95 USDRegular price$869.99 USD-$203.04 USD Sale price $666.95 USD -
Vendor:Whale Marine
Whale Seaward 3 Gallon Hot Water Heater w/Side Heat Exchanger - White Epoxy - 120V - 1500W [S300W]
Regular price $637.95 USDRegular price$839.99 USD-$202.04 USD Sale price $637.95 USD -
Vendor:Kuuma Products
Kuuma 11811 - 6 Gallon Water Heater - 120V [11811]
Regular price $476.95 USDRegular price$532.99 USD-$56.04 USD Sale price $476.95 USD -
Vendor:Raritan
Raritan 12-Gallon Hot Water Heater w/o Heat Exchanger - 120v [171201]
Regular price $1,102.95 USDRegular price$1,590.00 USD-$487.05 USD Sale price $1,102.95 USD -
Vendor:Kuuma Products
Kuuma 11810 - 6 Gallon Water Heater - 120V [11810]
Regular price $487.95 USDRegular price$547.99 USD-$60.04 USD Sale price $487.95 USD -
Vendor:Camco
Camco Screw-In Element - 1500W - 240V - ULWD LL *Bulk [02152]
Regular price $20.95 USDRegular price$27.99 USD-$7.04 USD Sale price $20.95 USD -
Vendor:Kuuma Products
Kuuma 11812 - 6 Gallon Water Heater - 120V [11812]
Regular price $487.95 USDRegular price$547.99 USD-$60.04 USD Sale price $487.95 USD -
Vendor:Whale Marine
Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchange - Galvanized Steel - 240V - 1500W [F650]
Regular price $594.95 USDRegular price$779.99 USD-$185.04 USD Sale price $594.95 USD -
Vendor:Whale Marine
Whale Seaward 6 Gallon Hot Water Heater - White Epoxy - 120V - 1500W [S600EW]
Regular price $622.95 USDRegular price$819.99 USD-$197.04 USD Sale price $622.95 USD