Belimo FSLF120-S-FC Actuator 30067439-890 or a failing inducer assembly

or a failing inducer assembly before replacing the switch

a standard ETX series tank should be used

Key Benefits System Protection: Precisely monitors suction pressure to prevent compressor operation during low-refrigerant or restricted airflow scenarios

it is specifically designed for 20-inch cabinets

As a direct replacement for HKN-9320-557-1 and HKN-9320

Belimo FSLF120-S-FC Actuator 30067439-890 or a failing inducer assemblyThe Belimo FSLF120 S FC is a specialized fire and smoke damper actuator designed for life safety applications in HVAC systems. Operating on 120V AC, this spring return actuator delivers 30 in lb of torque at 350F, ensuring reliable operation under extreme conditions. It is engineered for on off control and features integrated auxiliary switches (two SPDT) for providing end stop verification to the fire alarm or building automation system. The FSLF