Johnson Controls RCG04N 4" Round Control Damper Normally Closed Without Actuator

The Johnson Controls RCG04N is a 4-inch round control damper designed for HVAC zoning and air distribution control applications. This normally closed (NC) damper is supplied without an actuator or mounting bracket, allowing for flexible integration with your choice of compatible actuator.

Key Features:

• 4-inch round duct connection for standard HVAC applications
• Normally closed configuration ensures damper closes when power is removed
• Compatible with Johnson Controls modulating and two-position actuators (sold separately)
• Durable construction for reliable long-term operation
• Designed for use in commercial and residential air distribution systems
• Allows for precise airflow control and zone management

This damper body is ideal for replacement installations or new construction where specific actuator selection is required. The RCG series dampers are engineered to provide consistent performance in variable air volume (VAV) systems and general HVAC control applications.