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Bard 8107-032-0121BX is an OEM programmed motor service assembly used in select Bard wall mounted HVAC equipment to restore proper fan and airflow operation when an original motor fails or runs erratically. Because this is a programmed motor, the control logic and performance profile are matched to specific Bard applications, so verifying compatibility by model and serial number is critical before ordering. Replacing the motor with the correct Bard OEM part helps maintain intended airflow, comfort, and system reliability compared to non matched substitutes.
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.