Four-way reversing valve: It can be used in conjunction with the system to achieve defrosting and optimize stability during low-temperature operation Air conditioning four-way valve: compatible with various equipment such as household wall-mounted units, cabinet units, multi-split systems, and commercial heat pumps HVAC reversing valve: The internal flow path has been optimized to reduce the resistance to refrigerant flow Heat pump reversing valve: fast reversing response, smooth mode switching Air conditioning reversing valve: Compact structure, small footprint, easy to integrate and install, Manufacturer: jinghongc