the internal ball plug may be sticking

Standardized Compatibility: Adheres to ISO 4400 and EN 175301-803 Form A standards for seamless integration with existing solenoid coils

supporting systems with capacities up to 3

3450/2850 RPM)

This shell is a reliable solution for contractors managing large-scale HVACR system protection and liquid line clean-up applications

Belimo AFRBUP-S Actuator 321142-301 the internal ball plug mayThe Belimo AFRBUP S is a heavy duty, spring return damper actuator designed for reliable on off control in demanding HVAC systems. Engineering 180 in lb of torque, this unit provides failsafe operation for large control dampers, ensuring mechanical spring return during power interruptions. Its universal power supply accepts any input voltage from 24 to 240 VAC, simplifying inventory and field replacements for commercial HVAC maintenance. Equipped with