Johnson Controls D-9502-612 Helical Extension Spring for D-3246 Pneumatic Actuator

The Johnson Controls D-9502-612 is a helical extension spring designed as a replacement component for D-3246 series pneumatic damper actuators. This genuine OEM spring is a critical component that ensures proper actuator performance and positioning accuracy.

Key Features:

• Helical extension spring design for reliable operation
• Engineered specifically for Johnson Controls D-3246 pneumatic damper actuators
• Factory replacement part ensuring proper fit and function
• Compatible with high torque piston actuators used on centrifugal fan inlet vanes and compressors
• Maintains actuator spring range and positioning control

The D-3246 series actuators are multipurpose positioning devices designed for operating inlet vanes on centrifugal fans and compressors in direct response to pneumatic controller output signals. This replacement spring helps maintain the actuator's specified operating range and ensures consistent performance in HVAC control applications.