The Johnson Controls VG1241AD+9T4GGA is a 2-way proportional ball valve designed for precise fluid control in HVAC hydronic systems. Powered by a 24 VDC actuator, it modulates valve position to regulate water flow accurately based on control signals, supporting normally closed or normally open operation. With a 1/2-inch connection and 1.2 Cv rating, it is commonly used in fan coil uni... https://www.partshnc.com/vg1241ad-9t4gga-johnson-controls-12-2way-12cv-24v-prop-nsr