... .Easy mainenance 4.Deliver on time air source heat pump all in one provides house heating( hot water, floor heating, radiator) solution for residential ... , phase order, discharge temp, etc.6) Wilo water pump installed inside.7) Flow switch for water flow protection.8) Full sealed control box ... : T/T,L/C are acceptablePort of lading: shunde,foshan air source heat pump all in one