Belimo NFB24-S Actuator 30067439-890 Replacing it restores the calibrated

Replacing it restores the calibrated water timing necessary for accurate volume

while one turn of the differential screw equals approximately 9°F

5" x 13/16" cutouts without the need for field modifications or additional hardware

A damaged or incorrect orifice can lead to flame rollout or poor venting performance in intermittent pilot and direct spark ignition systems

this duct-mounted monitor should be installed in locations with an airspeed between 500 and 4

Belimo NFB24-S Actuator 30067439-890 Replacing it restores the calibratedThe 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