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Bard part 8105-059-0106BX is an OEM programmed motor service assembly used in Bard HVAC equipment where the motor speed and operation are matched to the unit’s control strategy. Because this motor is factory programmed, it is intended to restore correct airflow and reliable operation without the guesswork that can come with non OEM substitutes. When replacing a programmed motor, confirm the exact part number from the unit nameplate or the Bard service manual for your model and serial range, since the programming and wiring connections must match the original motor to avoid control faults or improper fan performance.
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.