Zonefirst ZDB-10X12 10HX12W Parallel 24V 2-Pos S/R 30067439-890 Precision Calibration: Fixed -

Precision Calibration: Fixed -

50"wc set point

it is compatible with various brands under the Johnson Controls umbrella

or mechanical failure in centrifugal fans and pumps

This kit is essential for maintaining the inherent flow characteristics and tight shut-off performance of your pneumatic control valves

Zonefirst ZDB-10X12 10HX12W Parallel 24V 2-Pos S/R 30067439-890 Precision Calibration: Fixed -The Zonefirst ZDB 10X12 is a professional grade parallel blade zone damper engineered for precise airflow management in residential and commercial 24V zoning systems. This 10HX12W bottom mount damper features a heavy duty extruded aluminum frame and 3 inch parallel blades, ensuring minimal static pressure drop while maintaining a rigid structure across the duct opening. Driven by a 24V spring return motor, the unit is factory configured for power