Damper Linkage, 1/2" Shaft Dimension, For Mounting Motor Externally on Duct, Includes Motor Bracket, Three Damper Arms, Motor Crankarm, and Four Balljoints, Left Hand Drive Ear and Crankarm Adapter, Connects One Modutrol IV Motor to Two Louver Dampers

Damper Linkage, 1/2" Shaft Dimension, For Mounting Motor Externally on Duct, Includes Damper Arm, Motor Crankarm, and Two Balljoints

Auxiliary Switch for Modutrol Motor, Electro Mechanical Application, SPDT, On/Off Switch Control Signal, One Internal Auxiliary Switch, Screw Terminals, Includes Adapter for Cover End Spring Return Motor and Revised Mounting Bracket