Full Port Design: 1-inch NPT threaded connections with a full port orifice maximize CV flow rates and minimize turbulence

This pilot operated solenoid valve is the industry standard for boiler systems

and 3/8 FPT connections

turn the range adjusting screw clockwise

Johnson Controls M9220-AGA-3 Actuator 320074-702 Full Port Design: 1-inch NPTThe Johnson Controls M9220 AGA 3 is a heavy duty spring return direct coupled actuator designed for floating control applications in demanding HVACR systems. Delivering a robust 177 lb in torque, this 24Vac Vdc actuator is engineered for precise positioning of large dampers and valves, ensuring reliable fail safe operation during power loss. With a 150 second power on run time, it provides smooth, consistent modulation without hunting. This model