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Ships within 48 hours · Estimated delivery Sep 24 - Sep 29
5% increments
melted fins
000 BTU models
the ZDB-LF is designed to work within the mechanical profile of the LF series
Johnson Controls D-9502-609 Positioner Spring 5% incrementsThe Johnson Controls D 9502 609 Positioner Spring is a critical calibration component designed for professional pneumatic control systems. Engineered specifically for integration with D 3153, D 3073, and D 4073 Series Actuators, this replacement spring ensures the precise pilot positioner feedback required for accurate damper modulation. In HVACR applications, maintaining the correct spring range is essential for overcoming actuator load and ensuring
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