Hot Water Heaters

Captains Marine Supply offers quality Marine Water Heaters in 120 or 240V & 1500 up to 4500 - Watt Heating capabilities. We carry the line of Raritan & Whale Seaward Marine Hot Water Heaters & related Parts. Additionally we carry permanent or seasonal Hot Water By-Pass Kit from Camco.
Select one of these Quality Marine Hot Water Heaters today & ensure you produce hot water consistently aboard your vessel, for many years to come!

40 products found in Hot Water Heaters

Camco Quick Turn Permanent Waterheater Bypass Kit
  • $29.99
Camco Seasonal Waterheater Bypass Kit
  • $8.99
Raritan 12-Gallon Hot Water Heater w/Heat Exchanger - 120v
  • $1,063.99
Raritan 12-Gallon Hot Water Heater w/o Heat Exchanger - 120v
  • $931.99
Raritan 20-Gallon Hot Water Heater w/Heat Exchanger - 4500w/240v
  • $1,403.99
Raritan 20-Gallon Hot Water Heater w/o Heat Exchanger - 120v
  • $1,071.99
Raritan 20-Gallon Water Heater w/Heat Exchanger - 120v
  • $1,140.99

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Raritan 6-Gallon Hot Water Heater w/Heat Exchanger - 120v
  • $999.99
Raritan Heating Element w/Gasket - Bolt-On Type - 120v
  • $37.99

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Raritan Heating Element w/Gasket - Screw-In Type - 120v
  • $34.99
Raritan Water Heater Thermostat Assembly
  • $79.99
Whale 3 Gallon Hot Water Heater - White Epoxy - 12V - 1500W
  • $722.99
Whale Seaward 11 Gallon Hot Water Heater - Stainless Steel - 120V - 1500W
  • $714.99

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Whale Seaward 11 Gallon Hot Water Heater - White Epoxy - 240V - 4500W
  • $691.99

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Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - Galvanized Steel - 120V - 1500W
  • $597.99

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Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - Galvanized Steel - 240V - 1500W
  • $627.99

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Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - Stainless Steel - 240V - 1500W
  • $763.99

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Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - White Epoxy - 120V - 1500W
  • $658.99

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Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - White Epoxy - 240V - 1500W
  • $677.99
Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 120V - 1500W
  • $589.99

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Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 240V - 1500W
  • $618.99

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Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Stainless Steel - 240V - 1500W
  • $733.99

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Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - White Epoxy - 120V - 1500W
  • $698.99

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Whale Seaward 3 Gallon Hot Water Heater - White Epoxy - 120V - 1500W
  • $586.99

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Whale Seaward 3 Gallon Hot Water Heater - White Epoxy - 240V - 1500W
  • $603.99
Whale Seaward 3 Gallon Hot Water Heater w/Side Heat Exchanger - White Epoxy - 120V - 1500W
  • $600.99

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Whale Seaward 6 Gallon Hot Water Heater - Galvanized Steel - 240V - 1500W
  • $544.99
Whale Seaward 6 Gallon Hot Water Heater - Stainless Steel - 120V - 1500W
  • $626.99

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Whale Seaward 6 Gallon Hot Water Heater - Stainless Steel - 240V - 1500W
  • $643.99
Whale Seaward 6 Gallon Hot Water Heater - White Epoxy - 120V - 1500W
  • $585.99

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Whale Seaward 6 Gallon Hot Water Heater - White Epoxy - 240V - 3000W
  • $610.99

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Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchange - Galvanized Steel - 240V - 1500W
  • $559.99
Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchanger - Stainless Steel - 120V - 1500W
  • $630.99

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Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchanger - Stainless Steel - 240V - 1500W
  • $659.99

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Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchanger - White Epoxy - 240V - 1500W
  • $636.99
Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 120V - 1500W
  • $525.99

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Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 240V - 1500W
  • $558.99

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Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - Stainless Steel - 240V - 1500W
  • $657.99

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Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - White Epoxy - 120V - 1500W
  • $593.99
Whale Seaward Magnesium Anode
  • $27.99