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HomeShopIsotemp SPA hot water tank 20 l

Isotemp SPA hot water tank 20 l


SPA hot water tank 20 ltr

Made to order / Backorder, delivery estimate 2-5 days

SKU: IW6P2031SPA0003 Category:


New Webasto Marine Isotemp SPA water heater with thermostat.


Isotemp water heaters have good water heating performance thanks to thick insulation and smart design. The motorised water heat exchanger as well as the electric heating element are located at the lowest part of the tank where the water is coldest, to ensure even heating of all the water in the tank. The water inlet and outlet pipes are specially designed to minimise the mixing of hot and cold water.


The Isotemp SPA hot water tank is designed for demanding boating applications. It has a 750 W/230 V resistor and a thermostatic valve (mixer) as standard to prevent excessively hot water from coming out of the tap and a LK 6 bar pressure relief valve. The heater has a thick polyurethane insulating layer which provides good thermal insulation.


  • Capacity: 20 litres
  • Length: 550 ±5 mm
  • Diameter: Ø 310 mm



  • tank AISI 316
  • outer shell/insulation: polyurethane


Delivery time about 2-5 working days.