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The Bard 8602-079BX actuator motor with arm is an OEM damper actuator assembly used in Bard wall mounted HVAC equipment to drive the ventilation damper linkage for reliable outside air control. When a damper binds, sticks, or fails to move to the commanded position, replacing the actuator is often the fastest way to restore proper economizer or fresh air operation and keep airflow and unit control logic working as intended. This boxed Bard replacement includes the actuator and arm for direct fit service on compatible damper assemblies, and we recommend confirming the exact part match by model and serial number or the unit parts manual before ordering since Bard uses multiple actuator styles across product families.
Bard uses suffixes like "BX" to manage parts internally. These do not change the physical form or function of the part.
A part number ending in "BX" simply means it is packaged in a box for shipping, rather than for internal assembly use.
Example: 8406-142BX is physically identical to 8406-142.