Instant water heater stiebel premium white

Model number DHE 18 AU Rated output (415V) 19.4kW Rated current (415V) 27Amp Phases 3/PE Electrical installation As per AS/NZS3000 Installation requirements لاAS/NZS3500.4.2 Switch on flow rate (minimum flow rate required to switch on the water heater) 2.5L/min Permissible operating pressure 1000kPa Temperature adjustment 20-60°C IP Rating IP25 Height 466mm Width 225mm Depth 116mm Weight (filled with water) 3.2kg Colour white Nominal capacity 0.4L Approvals WaterMark Lic No. WMKA00301, AS3498 For one/several draw off points Yes/Yes Heating system Bare wire Electronic flow rate control Yes Electronic air detection system Yes Accepts pre-heated water Yes (incoming hot water must not exceed 55°C) Programmable temperaturer Yes https://www.youtube.com/watch?v=rN5RevkaSKs