Resideo M847A1072 Actuator

Two Position Draft Damper Actuator, 24Vac, Spring Return, 1.9 Lb-In Torque, 20 Second Maximum Run Time, Round Shaft, Includes 3.8" Linkage Arm, 40-125 Degree Operating Range, 5-95% RH Operating Humidity Range, Wheel Rotates Clockwise (When Facing Wheel)