The oil pump is easy to use, overcoming tradional refuel shortcoming of easily mixing air. During refueling process, there is no need to drop the system’s refrigerant, saving costs and simplifying the working procedure. It is mainly suitable for York, Carrier, Trane and Macquay systems etc.
 Characteristics:
easy to operate and convenient to carry;
professional tools, efficiency to fill the oil;
Special design, avoid mixing air