Isotherm square water heater (Hydronic and 115VAC)

Save your onboard hot water supply

Isotemp water heaters are specially designed for use on yachts and boats. Only high-quality components are selected to ensure the best product features. The marine water heaters are very robust; the water tank and the outer casing are made of stainless steel. 

601623QX00003

Isotemp Basic, Slim and Square marine water heaters

The Isotemp water heater features a brushed stainless steel coating, as well as an innovative internal construction. It has the largest possible capacity thanks to the optimized installation of the motorized heat exchanger and the electric heating element. Both are installed at the lowest point to ensure even heating. The water inlets and outlets are designed to minimize mixing of cold and hot water as much as possible.

• Robust design.
• Water tank in stainless steel
• Outer cylinder in stainless steel
• Stable stainless steel mounting feet
• 360° adjustable bracket for easy mounting on the partition.
• Extra long heating coils for high energy efficiency.
• Special safety valve with 5.0 bar / 70 psi, easy drainage in winter
• Very thick insulation for low temperature loss
• Easy "Plug and Play" installation, special immersion heating element that heats even deep waters
• Thermostatic mixing valve (optional for square and double coils).
• Standard electric heating element at 750 W; optionally available in 1200 W only for Slim 20 and 25, Basic 40, 50 and 75
• The 2000 W heating element is optional for Slim 25, Basic 50 and Basic 75; it is only compatible with the 230 V version

Technical data:

• Gross volume: 16 liters
• Dimensions*: 400 x 560 x 180 (L x D x H in mm)
• Weight: 15.5 kg
• Max. Pressure: 5.0 bar
• Heating element**: 115V
• Rated power 750 W

*Thermostat-controlled mixing valve included:
**Heating element 115 V / 750 W and 115 V / 1200 W also available. Material: tank, engine heat exchanger and all fittings AISI 316; outer cover and mounting feet AISI 304; heating element E: nickel-plated copper Insulation: polyurethane, water fittings: 1 / 2" internal and external NPT and BSP - pipe threading Specifications may be changed without notice