Quick Nautic Boiler B3 2005SL 5 Gallon 500W w/Heat Exchanger**Casing in composite material and Tank in Aisi 316 stainless steelBenefit * High quality materials. * Heat exchanger with wide exchange surface. * Produces hot water from the electric element, that is fitted with an adjustable safety thermostat. * Relief / non-return vale that allows discharging of the water heater in case of disuse.The featuresThe heat exchanger used for Quick "Nautic Boiler B3" is AISI 316L stainless steel. The heat exchange capacity is notably higher than that achieved from other manufactures.The tank is made of 1.5 mm gauge AISI 316 stainless steel welded with Argon shielding gas and hence highly resistant to corrosive agents.The electrical heating element is made of Incoloy®.The thermal insulation is high density polyurethane foam injected between the cover and tank giving excellent heat retention propertiesTank mounting brackets or wall or floor-mounted are stainless steel AISI 316 and are supplied as standard in each package.