Johnson Controls V-9502-20 Spring though the valve can operate

though the valve can operate up to 15 psi

In a York S1-024-36052-009

If your original hardware is missing

F-3754 cap

Johnson Controls V-9502-20 Spring though the valve can operateThe Johnson Controls V 9502 20 is a high precision pneumatic positioner spring engineered for seamless integration with V 3000 series pneumatic valve actuators. Designed specifically for industrial and commercial HVAC applications, this spring ensures consistent feedback and accurate valve stroke control. By providing the mechanical resistance necessary to counteract air pressure signals, it allows for finite modulation in complex hydronic and steam