always remove the actuator first and ensure the manual lever is locked in the open position to protect the Buna-N paddle from heat damage

reducing the risk of system shutdowns caused by weak flame rectification

Forged Brass Construction: Engineered for long-term durability with a 300 psi static pressure limit and compatibility with up to 50% glycol

ensuring correct voltage delivery

Energy Efficiency: Optimized 1/2 HP output provides the necessary torque while minimizing electrical consumption

Belimo BF120-2 Control Freon always remove the actuator firstThe Belimo BF120 2 is a robust fire and smoke damper actuator designed for critical safety applications in HVAC systems. Operating on a 120V AC power supply, this spring return actuator provides reliable on off control to ensure dampers return to their safety position during power loss or fire alarm triggers. Built to European specifications, the BF series delivers high torque performance, typically 18 Nm (159 in lb), making it suitable for larger