Belimo NFX24-SR-S N4 Belimo Damper Actuator,90 in-lb,Spring Return,24V,Modulating,SW,NEMA 4 NFX24-SR-S N4
Belimo ZG-JSLA+NFX24-SR Belimo JSL+ Spring, 87 in-lbs. (torque reduced from 90 in-lbs.), Modulating, 24V ZG-JSLA+NFX24-SR