I have a new mitsubishi branch box retails for 530 Asking 250

The PAC-MKA31BC is a three port branch box for use in multi-zone mini split applications with Mitsubishi's MXZ-4C, MXZ-5C, and MXZ-8C outdoor condensers. It manages the flow of both refrigerant and power from the outdoor condenser to any connected indoor units. With electronic LEVs, Mitsubishi's branch boxes ensure optimal refrigerant flow and an accurate coil temperature for your mini split indoor units.