Hot Water Heaters

Captains Marine Supply offers quality Marine Water Heaters in 120V / 240V & 1500 up to 4500 - Watt Heating capabilities. We carry Raritan & Whale Seaward Marine Hot Water Heaters & Related Parts. Additionally, we carry permanent or seasonal Hot Water By-Pass Kit's 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! As always, call or email us with any questions you may have regarding your Marine Plumbing Systems!

40 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
  • $1,149.99
Raritan 12-Gallon Hot Water Heater w/o Heat Exchanger - 120v
  • $1,023.99
Raritan 20-Gallon Hot Water Heater w/Heat Exchanger - 4500w/240v
  • $1,595.99
Raritan 20-Gallon Hot Water Heater w/o Heat Exchanger - 120v
  • $1,098.99
Raritan 20-Gallon Water Heater w/Heat Exchanger - 120v
  • $1,283.99
Raritan 6-Gallon Hot Water Heater w/Heat Exchanger - 120v
  • $1,143.99
Raritan Heating Element w/Gasket - Bolt-On Type - 120v
  • $36.99
Raritan Heating Element w/Gasket - Screw-In Type - 120v
  • $34.99
Raritan Water Heater Thermostat Assembly
  • $75.99
Whale 3 Gallon Hot Water Heater - White Epoxy - 12V - 1500W
  • $692.99
Whale Seaward 11 Gallon Hot Water Heater - Stainless Steel - 120V - 1500W
  • $684.99

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Whale Seaward 11 Gallon Hot Water Heater - White Epoxy - 240V - 4500W
  • $663.99
Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - Galvanized Steel - 120V - 1500W
  • $573.99
Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - Galvanized Steel - 240V - 1500W
  • $600.99

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Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - Stainless Steel - 240V - 1500W
  • $731.99
Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - White Epoxy - 120V - 1500W
  • $631.99

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Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - White Epoxy - 240V - 1500W
  • $648.99
Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 120V - 1500W
  • $564.99

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Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 240V - 1500W
  • $592.99
Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Stainless Steel - 240V - 1500W
  • $703.99

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Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - White Epoxy - 120V - 1500W
  • $669.99
Whale Seaward 3 Gallon Hot Water Heater - White Epoxy - 120V - 1500W
  • $562.99

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Whale Seaward 3 Gallon Hot Water Heater - White Epoxy - 240V - 1500W
  • $578.99
Whale Seaward 3 Gallon Hot Water Heater w/Side Heat Exchanger - White Epoxy - 120V - 1500W
  • $575.99

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Whale Seaward 6 Gallon Hot Water Heater - Galvanized Steel - 240V - 1500W
  • $521.99
Whale Seaward 6 Gallon Hot Water Heater - Stainless Steel - 120V - 1500W
  • $600.99

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Whale Seaward 6 Gallon Hot Water Heater - Stainless Steel - 240V - 1500W
  • $616.99
Whale Seaward 6 Gallon Hot Water Heater - White Epoxy - 120V - 1500W
  • $560.99

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Whale Seaward 6 Gallon Hot Water Heater - White Epoxy - 240V - 3000W
  • $585.99
Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchange - Galvanized Steel - 240V - 1500W
  • $536.99
Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchanger - Stainless Steel - 120V - 1500W
  • $603.99

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Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchanger - Stainless Steel - 240V - 1500W
  • $632.99

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Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchanger - White Epoxy - 240V - 1500W
  • $609.99
Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 120V - 1500W
  • $503.99
Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 240V - 1500W
  • $535.99

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Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - Stainless Steel - 240V - 1500W
  • $629.99
Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - White Epoxy - 120V - 1500W
  • $569.99
Whale Seaward Magnesium Anode
  • $25.99
Whale Temperature & Pressure Relief Valve
  • $37.99