... of parted solar water heater.Main technicalfunction:1. Full auto-control water function.2. Constant temperature, timing electric heater(Power ... level(50%-100%)4. Manual water, supply water of control temperature, auto-water after 15minutes without water auto-stop after ... preservation5. Tank include :1.5/2.0/2.5KW Electric Heating Element , Mg Anode , T&PValve, Sensor,non-return valve FeaturesSpecial- ...