Technical features include an integrated siren cut-off timer and a logic panel silence switch

which is vital for long-term mechanical reliability in demanding environments

ensuring compatible performance with varied gas types

OEM Standards: Genuine Trane SWT3968 (replaces SWT03968) ensures exact fitment and factory-spec safety ratings

Built from high-grade brass to withstand high-temperature environments

Belimo FSNF24-S-FC Actuator 322838-753 Technical features include an integratedThe Belimo FSNF24 S FC Actuator is a dedicated fire and smoke damper actuator designed for UL555 and UL555S applications in modern HVAC systems. Operating on a 24V AC DC supply, this spring return unit provides 36 in lb of torque, ensuring reliable on off control for life safety dampers. Engineered for high temperature resilience, the FSNF24 S FC features a rugged housing capable of withstanding the rigorous demands of smoke control sequences. This