7kw KFXR-007SPCI Mini split domestic water heater heat pump with water tank 150L/200L/300L/400L/500L 1. Mitsubishi or Panasonic Rotary type compressor, low vibration, low noise and high reliability. 2. Polyurethane insulated water tank. 3. Intelligent EE valve, excellent efficiency at different ambient temperature. 4. Built-in famous water pump. 5. Innovative W-A-R( Water, Air, Refrigerant) technology, higher efficiency up to COP 4.5. 6. Energy saving up to 80% than traditional electric heater 7. Automatically defrosting.