Features: Stylish slim line design Thermosiphon circulation minimises maintenance Electric booster models available Inner tank with stainless steel SUS304 Collector absorber with black anodized coating Unpressurized system with no coil in tank. Automatic control. Benefits: Save 55% to 85% of your energy consumption water heating Reliable, low maintenance operation Reduce up to 3.2 tonnes of CO2 emissions every year (300L system) Flexible option with options of collector and tank capacity. Strong design to withstand the extreme weather condition Open or closed circuit available for different climate and water quality. Easy mounting and installation. Enhanced protection for maximum life work life over 8 years Details of the Product and quality is important for us.