The Isotemp Spa Stainless Steel Marine Water Heaters are available in five different sizes, ranging from 15 to 40-litre capacity (15, 20, 25, 30 & 40 litres). They match high marine quality standards such as a stainless steel inner tank, a robust polypropylene casing and a 6-bar safety valve.

• 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 for high performance
• Outer casing made of high quality polypropylene
• 1/2” water connections
• Customisable with valves, voltage and nominal power of the heating element