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Collection: Marine Plumbing & Ventilation - Hot Water Heaters

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34 products

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

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

Regular price $658.69 USD

Regular price ~~$819.99 USD~~ Sale price $658.69 USD
Unit price per

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Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 120V - 1500W [S1100]

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Whale Seaward 11 Gallon Hot Water Heater w/Rear Heat Exchanger - Galvanized Steel - 120V - 1500W [S1100]

Regular price $661.48 USD

Regular price ~~$819.99 USD~~ Sale price $661.48 USD
Unit price per

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Whale Seaward 11 Gallon Hot Water Heater - Stainless Steel - 120V - 1500W [S1200E]

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Whale Seaward 11 Gallon Hot Water Heater - Stainless Steel - 120V - 1500W [S1200E]

Regular price $801.71 USD

Regular price ~~$999.99 USD~~ Sale price $801.71 USD
Unit price per

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Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - White Epoxy - 120V - 1500W [F1100W]

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Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - White Epoxy - 120V - 1500W [F1100W]

Regular price $813.71 USD

Regular price ~~$879.99 USD~~ Sale price $813.71 USD
Unit price per

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Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - Galvanized Steel - 120V - 1500W [F1100]

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Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - Galvanized Steel - 120V - 1500W [F1100]

Regular price $671.40 USD

Regular price ~~$799.99 USD~~ Sale price $671.40 USD
Unit price per

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Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - Galvanized Steel - 240V - 1500W [F1150]

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Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - Galvanized Steel - 240V - 1500W [F1150]

Regular price $704.09 USD

Regular price ~~$889.99 USD~~ Sale price $704.09 USD
Unit price per

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Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - Stainless Steel - 120V - 1500W [F1200]

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Whale Seaward 11 Gallon Hot Water Heater w/Front Heat Exchanger - Stainless Steel - 120V - 1500W [F1200]

Regular price $821.89 USD

Regular price ~~$1,029.99 USD~~ Sale price $821.89 USD
Unit price per

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

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

Regular price $1,355.33 USD

Regular price ~~$2,140.00 USD~~ Sale price $1,355.33 USD
Unit price per

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Whale Seaward Thermostatic Mixer Valve [WX1599B]

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Whale Seaward Thermostatic Mixer Valve [WX1599B]

Regular price $203.52 USD

Regular price ~~$239.99 USD~~ Sale price $203.52 USD
Unit price per

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Raritan 6-Gallon Hot Water Heater w/Heat Exchanger - 120v [170611]

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Raritan 6-Gallon Hot Water Heater w/Heat Exchanger - 120v [170611]

Regular price $1,337.69 USD

Regular price ~~$2,030.00 USD~~ Sale price $1,337.69 USD
Unit price per

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

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

Regular price $707.58 USD

Regular price ~~$879.99 USD~~ Sale price $707.58 USD
Unit price per

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

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

Regular price $590.88 USD

Regular price ~~$739.99 USD~~ Sale price $590.88 USD
Unit price per

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

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

Regular price $867.72 USD

Regular price ~~$1,079.99 USD~~ Sale price $867.72 USD
Unit price per

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Whale Seaward 6 Gallon Hot Water Heater - Stainless Steel - 120V - 1500W [S700E]

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Whale Seaward 6 Gallon Hot Water Heater - Stainless Steel - 120V - 1500W [S700E]

Regular price $703.39 USD

Regular price ~~$869.99 USD~~ Sale price $703.39 USD
Unit price per

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

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

Regular price $823.85 USD

Regular price ~~$1,019.99 USD~~ Sale price $823.85 USD
Unit price per

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Raritan Electrode Pack - 12v [32-5000]

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Raritan Electrode Pack - 12v [32-5000]

Regular price $1,203.71 USD

Regular price ~~$1,795.00 USD~~ Sale price $1,203.71 USD
Unit price per

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

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

Regular price $589.61 USD

Regular price ~~$729.99 USD~~ Sale price $589.61 USD
Unit price per

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

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

Regular price $626.95 USD

Regular price ~~$769.99 USD~~ Sale price $626.95 USD
Unit price per

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

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

Regular price $657.10 USD

Regular price ~~$819.99 USD~~ Sale price $657.10 USD
Unit price per

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

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

Regular price $1,192.72 USD

Regular price ~~$1,810.00 USD~~ Sale price $1,192.72 USD
Unit price per

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Camco Screw-In Element - 1500W - 240V - ULWD LL *Bulk [02152]

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Camco Screw-In Element - 1500W - 240V - ULWD LL *Bulk [02152]

Regular price $21.07 USD

Regular price ~~$27.99 USD~~ Sale price $21.07 USD
Unit price per

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

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

Regular price $623.42 USD

Regular price ~~$692.99 USD~~ Sale price $623.42 USD
Unit price per

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

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

Regular price $704.35 USD

Regular price ~~$869.99 USD~~ Sale price $704.35 USD
Unit price per

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Whale Seaward 3 Gallon Hot Water Heater w/Side Heat Exchanger - White Epoxy - 120V - 1500W [S300W]

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Whale Seaward 3 Gallon Hot Water Heater w/Side Heat Exchanger - White Epoxy - 120V - 1500W [S300W]

Regular price $673.81 USD

Regular price ~~$839.99 USD~~ Sale price $673.81 USD
Unit price per

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

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

Regular price $810.72 USD

Regular price ~~$999.99 USD~~ Sale price $810.72 USD
Unit price per

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

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

Regular price $485.65 USD

Regular price ~~$532.99 USD~~ Sale price $485.65 USD
Unit price per

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

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

Regular price $1,518.92 USD

Regular price ~~$2,345.00 USD~~ Sale price $1,518.92 USD
Unit price per

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

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

Regular price $496.99 USD

Regular price ~~$547.99 USD~~ Sale price $496.99 USD
Unit price per

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

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

Regular price $497.00 USD

Regular price ~~$547.99 USD~~ Sale price $497.00 USD
Unit price per

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

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

Regular price $628.27 USD

Regular price ~~$779.99 USD~~ Sale price $628.27 USD
Unit price per

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Whale Seaward Magnesium Anode [74556]

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Whale Seaward Magnesium Anode [74556]

Regular price $28.70 USD

Regular price ~~$32.29 USD~~ Sale price $28.70 USD
Unit price per

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

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

Regular price $691.50 USD

Regular price ~~$849.99 USD~~ Sale price $691.50 USD
Unit price per

Compare at
Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - White Epoxy - 120V - 1500W [S600W]

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Whale Seaward 6 Gallon Hot Water Heater w/Rear Heat Exchanger - White Epoxy - 120V - 1500W [S600W]

Regular price $666.73 USD

Regular price ~~$819.99 USD~~ Sale price $666.73 USD
Unit price per

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

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

Regular price $1,279.33 USD

Regular price ~~$2,020.00 USD~~ Sale price $1,279.33 USD
Unit price per

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867 Boylston St, Suite 500 #1461

Boston, Massachusetts 02116

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(617) 299-6902

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