Isotherm Isotemp Spa Water Heater Stainless Tank 25L 6.5 US Gallon #:  45620
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Isotherm Isotemp Spa Water Heater Stainless Tank 25L 6.5 US Gallon

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Exterior casing made of high quality polypropylene insulation, with the inner tank made of AISI 316 stainless steel. A higher quality water heater than the aluminum tank heaters commonly used on new boats.
More Details...   #45620
Brand:  Webasto Isotemp
MFG Part#:   6P2523SPA0003
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Indel Webasto Isotherm Isotemp SPA Water Heater 6.5 USG

The new line of SPA Water Heaters were designed to help boat builders and boat owners who want a higher quality water heater than the aluminum units commonly used on new boats. The new SPA features the highest marine quality standards while providing an optimized cost /quality ratio with a new polypropylene shell and safety mixing valve. The new SPA line compliments the Isotemp Stainless Steel Water Heaters universally recognized as the best in the industry.

Thermostat controlled mixing valve extends volume of hot water and protects against accidental scalding. 115 Volt AC, 750 Watt element for high performance, and low power draw. Orientation: Horizontal or Vertical Mount, Heat Exchanger: Front

  • Exterior casing / jacket made of high quality polypropylene insulation
  • Inner tank made of AISI 316 stainless steel
  • Includes safety relief valve, themostatic mixing valve 
  • 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
  • Aluminum mounting brackets adjustable for deck or bulkhead installations
  • Extra-thick insulation for low loss, keeps water at a useable temperature for up to 24 Hours 
  • Extra-long corrugated coils for high heat exchange efficiency
  • 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.
    • The mixing valve regulates the temperature of the water coming out of the tank to prevent scalding 
    • Extends the amount of usable hot water available
  • Heating element is 750 watts, which won't overload generators or trip dock breakers
  • All Isotemp products are CE certified and manufactured in ISO certified facilities
  • 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

  Isotherm SPA Water Heater Brochure

Isotherm SPA Water Heater 6.5 USG (25 l)

Spa 25
Part number 6P2523SPA0003
Volume (gal.) 6.5
Dimensionsø D x L (inch) 12" x 25.65"
Weight (lbs) 21
Pressure release
valve (bar)
Heating Element 115 VAC
Nominal power (kW) 750 Watt Element

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