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1)LCD Control with induction key for Air Source Heat Pump All In One Type/air to water heat pump 2)Electrical Auxiliary Heater 3/6/9kw for Air Source Heat Pump All In One Type/air to water heat pump 3)Time display( hour, date, year), real clock for Air Source Heat Pump All In One Type/air to water heat pump 4)Alarm system for Air Source Heat Pump All In One Type/air to water heat pump 5)Auto restart for Air Source Heat Pump All In One Type/air to water heat pump 6)Higher COP for Air Source Heat Pump All In One Type/air to water heat pump
