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It is different from direct thermosiphon solar water heating system which has no copper coil which inside the water tank. This system works with pressure which provided by circulation pump but has low pressure inside water tank. Copper coil works as a place for heat exchange and a channel for water flow through. Cold water comes into inlet of copper, heated by the heat exchanger, then becoming hot water flows away from outlet of copper coil. Water stayed in water tank and vacuum tubes as heat conductor, completes heat circulation itself over and over again, thus you can enjoy a hot shower at any time, your water tank also enjoys a long life without incrustation and rust. Key Features 1. Heat exchanger inside the tank, protect the tank from incrustation and rust. 2. Suitable for hard water area. 3. Detachable frame can be used both on flat roof and inclined roof 4. Heat insulation layer: 55mm integral high-density well foamed CFC free polyurethane. 5. Reliable compact system with good appearance frame, high efficient collector and excellent performance. Key Benefits 1. Save 55% to 80% of your water heating energy consumption 2. Reliable, low maintenance operation 3. Hot water regardless of the weather 4. Can qualify for valuable government environmental incentives 5. Reduced energy use 6. Saves up to 3.0 tons of CO2 emissions every year 7. Pressure operation, peace in mind;
integrated pressurized solar water heater