Belimo FSAF120A-S Actuator 319825-402 preventing premature sensor degradation in

preventing premature sensor degradation in high-cycle environments

Key Benefits High Close-Off Capacity: Prevents bypass and leakage in high-pressure hydronic loops

If you are seeing a 4-flash error code on a diagnostic LED

65 kW of heating power at 120V

the hose is designed with a 2-inch minimum bend radius

Belimo FSAF120A-S Actuator 319825-402 preventing premature sensor degradation inThe Belimo FSAF120A S is a high torque, fire and smoke damper actuator engineered for life safety applications requiring 180 in lb of torque. Operating on 120V AC, this spring return unit ensures fail safe positioning during power loss or smoke detection events. Built with a rugged NEMA 2 rated housing, it thrives in demanding HVAC environments while maintaining precise control. The integrated auxiliary switches provide definitive end stop