Johnson Controls D-3246-2 Damper Actuator R-410A The 660928 is engineered to

The 660928 is engineered to maintain corrected internal volumes and pressure drops

Fast Actuation: The lever-operated mechanism allows for rapid manual isolation compared to traditional multi-turn valves

This comprehensive kit

This hardware assembly features a rigid aluminum support that extends into the ductwork

Johnson Controls D-3246-2 Damper Actuator R-410A The 660928 is engineered toThe Johnson Controls D 3246 2 is a heavy duty pneumatic damper actuator engineered for precise control of large dampers in commercial HVAC systems. This swivel mounted piston style actuator features a 6 inch stroke and a 23. 4 square inch effective diaphragm area, delivering reliable linear motion within an 8 13 psi spring range. To ensure high accuracy positioning especially in high velocity airflow or high friction applications, this model includes