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!

39 products found in Hot Water Heaters

Camco Quick Turn Permanent Waterheater Bypass Kit
  • $28.99
Raritan 12-Gallon Hot Water Heater w/Heat Exchanger - 120v
  • $1,152.99
Raritan 12-Gallon Hot Water Heater w/o Heat Exchanger - 120v
  • $988.99
Raritan 20-Gallon Hot Water Heater w/Heat Exchanger - 4500w/240v
  • $1,651.99
Raritan 20-Gallon Hot Water Heater w/o Heat Exchanger - 120v
  • $1,079.99
Raritan 20-Gallon Water Heater w/Heat Exchanger - 120v
  • $1,241.99
Raritan 6-Gallon Hot Water Heater w/Heat Exchanger - 120v
  • $1,107.99
Raritan Heating Element w/Gasket - Bolt-On Type - 120v
  • $36.99
Raritan Heating Element w/Gasket - Screw-In Type - 120v
  • $35.99
Raritan Water Heater Thermostat Assembly
  • $76.99
Whale 3 Gallon Hot Water Heater - White Epoxy - 12V - 1500W
  • $710.99
Whale Seaward 11 Gallon Hot Water Heater - Stainless Steel - 120V - 1500W
  • $702.99

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Whale Seaward 11 Gallon Hot Water Heater - White Epoxy - 240V - 4500W
  • $680.99
Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - Galvanized Steel - 120V - 1500W
  • $588.99
Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - Galvanized Steel - 240V - 1500W
  • $616.99

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Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - Stainless Steel - 240V - 1500W
  • $751.99
Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - White Epoxy - 120V - 1500W
  • $647.99

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Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - White Epoxy - 240V - 1500W
  • $665.99
Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 120V - 1500W
  • $579.99

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Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 240V - 1500W
  • $607.99
Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Stainless Steel - 240V - 1500W
  • $721.99
Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - White Epoxy - 120V - 1500W
  • $687.99

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Whale Seaward 3 Gallon Hot Water Heater - White Epoxy - 120V - 1500W
  • $576.99

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Whale Seaward 3 Gallon Hot Water Heater - White Epoxy - 240V - 1500W
  • $593.99
Whale Seaward 3 Gallon Hot Water Heater w/Side Heat Exchanger - White Epoxy - 120V - 1500W
  • $590.99

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Whale Seaward 6 Gallon Hot Water Heater - Galvanized Steel - 240V - 1500W
  • $534.99
Whale Seaward 6 Gallon Hot Water Heater - Stainless Steel - 120V - 1500W
  • $616.99

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Whale Seaward 6 Gallon Hot Water Heater - Stainless Steel - 240V - 1500W
  • $633.99
Whale Seaward 6 Gallon Hot Water Heater - White Epoxy - 120V - 1500W
  • $575.99

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Whale Seaward 6 Gallon Hot Water Heater - White Epoxy - 240V - 3000W
  • $600.99

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Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchange - Galvanized Steel - 240V - 1500W
  • $550.99
Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchanger - Stainless Steel - 120V - 1500W
  • $619.99

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Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchanger - Stainless Steel - 240V - 1500W
  • $648.99

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Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchanger - White Epoxy - 240V - 1500W
  • $625.99
Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 120V - 1500W
  • $516.99

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Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 240V - 1500W
  • $549.99

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Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - Stainless Steel - 240V - 1500W
  • $646.99
Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - White Epoxy - 120V - 1500W
  • $583.99
Whale Seaward Magnesium Anode
  • $26.99