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Welcome to First Stop Marine, Your one stop shop for all of your boating needs and more!

Family Owned and Operated

Collection: Marine Plumbing & Ventilation - Hot Water Heaters

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Marine Plumbing & Ventilation (29 products)
Marine Plumbing & Ventilation | Accessories (1 products)
Marine Plumbing & Ventilation | Hot Water Heaters (29 products)
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29 products

Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Stainless Steel - 120V - 1500W [S1200]

Sale

Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Stainless Steel - 120V - 1500W [S1200]

Vendor:
Whale Marine

Regular price $924.99 USD

Regular price ~~$1,079.99 USD~~ Sale price $924.99 USD
Unit price per

Sale
Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Stainless Steel - 240V - 1500W [S1250]

Sale

Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Stainless Steel - 240V - 1500W [S1250]

Vendor:
Whale Marine

Regular price $877.99 USD

Regular price ~~$1,019.99 USD~~ Sale price $877.99 USD
Unit price per

Sale
Kuuma 11842 - 11 Gallon Water Heater - 120V [11842]

Sale

Kuuma 11842 - 11 Gallon Water Heater - 120V [11842]

Vendor:
Kuuma Products

Regular price $687.99 USD

Regular price ~~$692.99 USD~~ Sale price $687.99 USD
Unit price per

Sale
Albin Group Heater Element 120V, 800W [08-99-019]

Sale

Albin Group Heater Element 120V, 800W [08-99-019]

Vendor:
Albin Group

Regular price $65.99 USD

Regular price ~~$82.99 USD~~ Sale price $65.99 USD
Unit price per

Sale
Whale 3 Gallon Hot Water Heater - White Epoxy - 12V - 300W [S360EW]

Sale

Whale 3 Gallon Hot Water Heater - White Epoxy - 12V - 300W [S360EW]

Vendor:
Whale Marine

Regular price $863.99 USD

Regular price ~~$999.99 USD~~ Sale price $863.99 USD
Unit price per

Sale
Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchanger - Galvanized Steel - 120V - 1500W [F600]

Sale

Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchanger - Galvanized Steel - 120V - 1500W [F600]

Vendor:
Whale Marine

Regular price $629.99 USD

Regular price ~~$739.99 USD~~ Sale price $629.99 USD
Unit price per

Sale
Kuuma 11850 - 11 Gallon Water Heater - 240V [11850]

Sale

Kuuma 11850 - 11 Gallon Water Heater - 240V [11850]

Vendor:
Kuuma Products

Regular price $596.99 USD

Regular price ~~$724.99 USD~~ Sale price $596.99 USD
Unit price per

Sale
Whale Seaward 3 Gallon Hot Water Heater - White Epoxy - 120V - 1500W [S300EW]

Sale

Whale Seaward 3 Gallon Hot Water Heater - White Epoxy - 120V - 1500W [S300EW]

Vendor:
Whale Marine

Regular price $701.99 USD

Regular price ~~$819.99 USD~~ Sale price $701.99 USD
Unit price per

Sale
Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 240V - 1500W [S650]

Sale

Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 240V - 1500W [S650]

Vendor:
Whale Marine

Regular price $667.99 USD

Regular price ~~$769.99 USD~~ Sale price $667.99 USD
Unit price per

Sale
Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - 120V - 1500W [S600]

Sale

Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - 120V - 1500W [S600]

Vendor:
Whale Marine

Regular price $628.99 USD

Regular price ~~$729.99 USD~~ Sale price $628.99 USD
Unit price per

Sale
Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - Stainless Steel - 120V - 1500W [S700]

Sale

Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - Stainless Steel - 120V - 1500W [S700]

Vendor:
Whale Marine

Regular price $750.99 USD

Regular price ~~$869.99 USD~~ Sale price $750.99 USD
Unit price per

Sale
Kuuma 11811 - 6 Gallon Water Heater - 120V [11811]

Kuuma 11811 - 6 Gallon Water Heater - 120V [11811]

Vendor:
Kuuma Products

Regular price $532.99 USD

Regular price ~~$0.00 USD~~ Sale price $532.99 USD
Unit price per
Raritan 12-Gallon Hot Water Heater w/o Heat Exchanger - 120v [171201]

Sale

Raritan 12-Gallon Hot Water Heater w/o Heat Exchanger - 120v [171201]

Vendor:
Raritan

Regular price $1,240.99 USD

Regular price ~~$1,590.00 USD~~ Sale price $1,240.99 USD
Unit price per

Sale
Raritan 12-Gallon Hot Water Heater w/Heat Exchanger - 120v [171211]

Sale

Raritan 12-Gallon Hot Water Heater w/Heat Exchanger - 120v [171211]

Vendor:
Raritan

Regular price $1,414.99 USD

Regular price ~~$1,865.00 USD~~ Sale price $1,414.99 USD
Unit price per

Sale
Raritan 20-Gallon Water Heater w/Heat Exchanger - 120v [172011]

Sale

Raritan 20-Gallon Water Heater w/Heat Exchanger - 120v [172011]

Vendor:
Raritan

Regular price $1,534.99 USD

Regular price ~~$2,000.00 USD~~ Sale price $1,534.99 USD
Unit price per

Sale
Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchager - White Epoxy - 120V - 1500W [F600W]

Sale

Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchager - White Epoxy - 120V - 1500W [F600W]

Vendor:
Whale Marine

Regular price $736.99 USD

Regular price ~~$849.99 USD~~ Sale price $736.99 USD
Unit price per

Sale
Raritan 20-Gallon Hot Water Heater w/o Heat Exchanger - 120v [172001]

Sale

Raritan 20-Gallon Hot Water Heater w/o Heat Exchanger - 120v [172001]

Vendor:
Raritan

Regular price $1,297.99 USD

Regular price ~~$1,730.00 USD~~ Sale price $1,297.99 USD
Unit price per

Sale
Whale Seaward Magnesium Anode [74556]

Sale

Whale Seaward Magnesium Anode [74556]

Vendor:
Whale Marine

Regular price $30.99 USD

Regular price ~~$33.57 USD~~ Sale price $30.99 USD
Unit price per

Sale
Kuuma 11812 - 6 Gallon Water Heater - 120V [11812]

Kuuma 11812 - 6 Gallon Water Heater - 120V [11812]

Vendor:
Kuuma Products

Regular price $547.99 USD

Regular price ~~$0.00 USD~~ Sale price $547.99 USD
Unit price per
Kuuma 11810 - 6 Gallon Water Heater - 120V [11810]

Kuuma 11810 - 6 Gallon Water Heater - 120V [11810]

Vendor:
Kuuma Products

Regular price $547.99 USD

Regular price ~~$0.00 USD~~ Sale price $547.99 USD
Unit price per
Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchange - Galvanized Steel - 240V - 1500W [F650]

Sale

Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchange - Galvanized Steel - 240V - 1500W [F650]

Vendor:
Whale Marine

Regular price $669.99 USD

Regular price ~~$779.99 USD~~ Sale price $669.99 USD
Unit price per

Sale
Whale Seaward 6 Gallon Hot Water Heater - White Epoxy - 120V - 1500W [S600EW]

Sale

Whale Seaward 6 Gallon Hot Water Heater - White Epoxy - 120V - 1500W [S600EW]

Vendor:
Whale Marine

Regular price $699.99 USD

Regular price ~~$819.99 USD~~ Sale price $699.99 USD
Unit price per

Sale
Raritan Electrode Pack - 12v [32-5000]

Sale

Raritan Electrode Pack - 12v [32-5000]

Vendor:
Raritan

Regular price $1,317.99 USD

Regular price ~~$1,600.00 USD~~ Sale price $1,317.99 USD
Unit price per

Sale
Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchanger - Stainless Steel - 120V - 1500W [F700]

Sale

Whale Seaward 6 Gallon Hot Water Heater w/Front Heat Exchanger - Stainless Steel - 120V - 1500W [F700]

Vendor:
Whale Marine

Regular price $753.99 USD

Regular price ~~$879.99 USD~~ Sale price $753.99 USD
Unit price per

Sale

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