air source heat pump water heater all in one type 6~16kW heat output Durable,Economical, ... quality 1. LCD control with indication key.2. Electrical auxiliary heater 3/6/9KW.3. Time display(hour, date, year), real ... °C.8. New design panel.9. Multi use for water heater, floor heater and radiator.10. Equipped with defrosting sytem for afe operation ...