Item #870739

Isotemp SPA 20L Marine Water Heater

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$664.99 - $693.99
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          Isotemp Water Heaters General Features:

          • All Isotemp water heaters use two thermostats: a temperature thermostat and a safety thermostat designed to trip in the event the tank is run dry
          • All Isotemp water heaters come standard with a mixing valve
          • Every Isotemp tank features a safety mixing valve that regulates the temperature of the water coming out of the tank so that water heated to 160+ degrees will not scald boat owners or their guests
          • Temperature of the hot water coming out of the tank can be adjusted to the preference of the owner by turning the mixing valve on the water heater
          • This feature allows the thermostat to be set at a higher temperature, while keeping the user safe from scalding
          • It also extends the capacity of onboard hot water by using only a fraction of the water in the tank to produce the desired water temperature
          • Standard heating elements are 750W which won't overload generators or trip dock breakers
          • All Isotemp products are CE certified and manufactured in ISO certified facilities
          • 750W immersion heating element as standard on all Isotemp Water Heaters
          • All Isotemp tanks are covered by a 5-year limited warranty against leakage due to manufacturing defect or corrosion and a 2-year warranty on all other parts

          Isotemp SPA 20 Marine Water Heater Features:

          • Exterior casing / jacket made of high quality polypropylene
          • Inner tank made of AISI 316 stainless steel
          • Includes safety valve, mixing valve and plug
          • Robust design and manufactured to highest-quality marine standards for long service life
          • Immersion heating element specially designed to heat water at bottom of tank
          • Thermostat-controlled mixing valve standard on all Isotemp water heaters
          • Aluminum mounting brackets adjustable for deck or bulkhead installations
          • Extra-thick insulation for low temperature loss, high performance
          • Extra-long corrugated coils for high heat exchange efficiency
          • Five-year limited warranty on inner tank against corrosion and material stress


          • Tank Capacity: 5.3 Gal
          • Rated Pressure (bar): 6.0
          • Orientation: Horizontal or Vertical
          • Heat Exchanger: Front
          • Inlet/Outlet Ports: Male 1/2" NPT
          • Includes Safety valve and Mixing valve
          • 115V AC Model (6P2023SPA0003):
            • Power (Heating Element): 115V AC/750W
            • Plug: USA
          • 230V AC Model (6P2031SPA0003):
            • Power (Heating Element): 230V AC/750W
            • Plug: European

          Part Numbers for Isotemp SPA 20L Marine Water Heater

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