this 4520-2048-000 limit control offers exact fitment for industrial machinery and manufacturing processes

allowing technicians to bypass the controller and verify downstream hardware status instantly

creamy texture your customers expect

Standard installations require replacement once per heating season

Precision Flame Rectification: Engineered to provide consistent microamp output to the control board

Johnson Controls V-9502-20 Spring this 4520-2048-000 limit control offersThe 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