DC INVERTER AIR TO WATER HEAT PUMP (split type) 5~15KW heat output Durable,Economical,High-COP DC INVERTER R410A AIR TO WATER 12KW (split type)Inside unit ... include: LCD controller, three way valve, flow switch, WILO water pump, plate heat ... , please Email to us, visit Website or contact our Factory. Air Source DC INVERTER Heat Pump 12KW