... easy for maintenance.5.Multiple protections for the whole heat pump, guaranteeing safe operation.6.World famous brand compressor ... ,4-way valve,motor,PCB,heat exchanger used to ensure top quality an high ... disturbance to owners and neighbours. Air sources heat pump+Air conditioner(Heat recovery function)ParametersModelDBT10HRRated Heating capacity kW10.0Hot WaterRated hot ...