Isotemp Spa Marine Water Heaters

The Isotemp SPA range is Isotemp‘s newest range of marine water heaters. It is available in a range of sizes from 15 litres to 40 litres in capacity. This range is engineered to the highest standards.



The tanks have a stainless steel inner tank, with polypropylene outer casing, and a 6-bar safety valve.


Technical Specifications of the Isotemp Spa Water Heater



Features of the Isotemp Spa Water Heater


  • 5 different sizes from 15 to 40 litres capacity 
  • Stainless Steel AISI 316 inner tank 
  • 6 bar safety valve 
  • Optional mixing valve 
  • Extra thick insulation
  • Outer casing made of high quality polypropylene 
  • 1/2” water connections 
  • Customisable with valves, voltage and power


Isotemp Spa Hot Water Tanks