Honeywell M8185D1006 - Modutrol Actuator, 24V Spring Return Foot Mounted 60 lb-in. Torque The Honeywell M8185D1006 Modutrol IV motors are 2-position (line- and low-voltage per motor control) spring-return motors. Used to operate dampers or valves in applications where it is necessary or desirable to have the controlled element return to t