Mueller Industries AU17864 3-Way Ball Valve 7/8" is a high-performance refrigerant flow control valve designed for HVAC and refrigeration systems. Featuring a three-port configuration, it directs, diverts, or mixes refrigerant flow between different circuits, ensuring precise system operation and improved efficiency. This valve is commonly used in chillers, air handling units, heat pu... https://www.partshnc.com/au17864-mueller-industries-78-3-way-ball-valve