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Bard 139-418BX - Actuator Tri-Arm
Bard 139-418BX is an OEM actuator tri-arm supplied boxed for Bard ventilation accessories such as commercial ventilators and economizers, where the tri-arm linkage transfers motion from the damper actuator to the damper/rod connections to open and close the outdoor air and exhaust sections smoothly. If your Bard wall-mount unit is not responding correctly to ventilation commands or the linkage is bent, worn, or stripped, replacing the tri-arm with the correct Bard part helps restore proper damper travel and reliable airflow control while maintaining the designed geometry of the actuator assembly. Confirm your unit model and ventilator/economizer option, then match the part number to your parts manual to ensure proper fit before ordering.
- Technical Specifications
- Product number: 139-418BX
- Manufacturer description: Actuator Tri-Arm - Boxed
- HTS Code: "8415.90.8085"
$110.00
What does the "BX" suffix mean?
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.