M436A1116 | Honeywell Spring-Return HVAC Damper Actuator, 20 in-lb, 120 VACDescription The Honeywell M436A1116 is a spring return damper actuator designed to control air dampers in HVAC systems using reliable electromechanical operation. This actuator delivers 20 in lb of torque and operates on 120 VAC to provide precise damper positioning during normal operation and automatic return on power loss. It is commonly used in ventilation and air handling applications requiring dependable airflow control. Technical Specifications