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Bard part number 8106-069-0176BX is a factory programmed fan motor used in select Bard wall mounted HVAC systems where the control board expects a specific motor profile for proper airflow, staging, and system protection. Because this is an OEM programmed motor, it is built to match Bard performance requirements and is intended to help restore correct blower operation when a motor has failed, is noisy, or will not ramp or hold speed as commanded. Verify compatibility by matching the complete part number 8106-069-0176BX to your unit model and serial information before ordering, since programmed motors are application specific and cannot be substituted by a generic motor without risking improper operation.
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.