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KUUMA 240V Marine Water Heater with Heat Exchanger, 11 Gallon, Front/Rear & Side Mounts

Enjoy hot water heated dockside with 120V AC power or with engine heat when underway. Heaters feature a marine-grade aluminum case and cladded aluminum tank with 1500W heating element and large diameter, dual-loop heat exchanger. Circuitry is ignition protected, and each heater includes a high-temperature limiter with automatic reset. All plumbing and electrical connections are “front” located. Use of a magnesium anode is recommended to extend tank life.

  • Capacity: 11 gallon
  • Weight: 30 lb.
  • Heat Exchanger Ports: Front
  • Mounts: Front/Rear
  • Port Sizes: Cold/hot in/out: 1/2" NPT, Engine coolant in/out: 5/8" (for hose)
  • Draw: 6.25A @ 240V AC
  • Approvals: ETL
  • Warranty: One year against manufacturer defects
Customer Reviews
Product Models
Description WM Model # MFG Part # Availability Price Quantity  
11 GAL Front Mount, 120V, Rear Heat Exchange, 16.25 in W x 16.25 in H x 23.25 in D, Front/Rear, 120V - 60Hz/1500W, Wiring Conf L1 & N, Rear/AL, T&P Valve Type: 100psi & 210º F, CSA 13993787 11842
In stock online.

$339.99

11 GAL Side Mount, 240V, Front Heat Exchange, 18.875 in W x 16.25 in H x 21.625 in D, Side/Side, 240V - 50Hz/1500W, Wiring Conf L1 & N, Front/AL, T&P Valve Type: 100psi & 210º F, CSA 13993852 11850
Delivery within 2 - 3 weeks.

$369.99

11 GAL Front Mount, 240V, Front Heat Exchange, 16.25 in W x 16.25 in H x 23.25 in D, Front/Rear, 240V - 50Hz/1500W, Wiring Conf L1 & N, Front/AL, T&P Valve Type: 100psi & 210º F, CSA 13993829 11851
Delivery within 2 - 3 weeks.

$369.99

11 GAL Front Mount, 240V, Front Heat Exchange, 16.25 in W x 16.25 in H x 23.25 in D, Front/Rear, 240V - 60Hz/1500W, Wiring Conf L1 & L2, Front/AL, T&P Valve Type: 100psi & 210º F, CSA 13993837 11861
Delivery within 2 - 3 weeks.

$369.99

Product Description

Enjoy hot water heated dockside with 120V AC power or with engine heat when underway. Heaters feature a marine-grade aluminum case and cladded aluminum tank with 1500W heating element and large diameter, dual-loop heat exchanger. Circuitry is ignition protected, and each heater includes a high-temperature limiter with automatic reset. All plumbing and electrical connections are “front” located. Use of a magnesium anode is recommended to extend tank life.

  • Capacity: 11 gallon
  • Weight: 30 lb.
  • Heat Exchanger Ports: Front
  • Mounts: Front/Rear
  • Port Sizes: Cold/hot in/out: 1/2" NPT, Engine coolant in/out: 5/8" (for hose)
  • Draw: 6.25A @ 240V AC
  • Approvals: ETL
  • Warranty: One year against manufacturer defects

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