SEAWARD 20-Gallon Water Heater with Epoxy-Coated Aluminum Case, Vertical Orientation (No Heat Exchanger) 120V

Enjoy hot water on your boat with a dependable Seaward Marine Water Heater.

Heat water dockside with 120V AC power or when underway, using engine heat. This water heater features an ignition-protected design, cladded aluminum tank and epoxy-coated aluminum case. To protect against galvanic corrosion and extend tank life, use of a magnesium anode is highly recommended. For installation and maintenance, see the Seaward Water Heater Owner’s Manual.

NOTE: Other Seaward Water Heater options include a choice of a galvanized steel, stainless steel or epoxy-coated aluminum case. Depending on the model, heat exchanger ports can be located at the “Front” or at the “Rear”. See the full selection of Seaward Water Heaters.

Key Features (This Model)

• Epoxy-coated aluminum case
• Aluminum tank
• No heat exchanger (120V AC operation only)
• 20-gallon capacity

Key Features (Seaward Line)

• Multiple versions to suit your installation     
• Available for 120V and 240V  
• Hold down brackets welded to inner tank for strength
• Integrated pressure relief valve for safety 
• Pressure relief valve drain tube included
• Ignition-protected design  
• Magnesium anode (available separately) strongly recommended to prevent galvanic corrosion of tank