Durable Construction: Equipped with a nickel-plated copper bulb and 36" capillary to withstand harsh chemical and moisture-heavy environments

Turning the screw adjusts the spring tension to match the desired refrigerant head pressure setpoint

for natural gas applications but remains field-adjustable from 3

a specific LAC model with a different pressure rating or an adjustable ORD/ORI combination would be required

Belimo NFB24-S Actuator Refrigerant Durable Construction: Equipped with aThe Belimo NFB24 S is a high torque spring return damper actuator designed for reliable on off control in demanding HVAC systems. Engineering for 90 in lb of torque, this unit provides failsafe operation, ensuring dampers return to a predetermined safety position during power interruptions. Operating on both 24VAC and 24VDC, the NFB24 S features universal compatibility with standard control signals. This model includes an integrated SPDT auxiliary