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The Bard 900-377-0191BX Programmed Blower Assy - Boxed is an OEM indoor air movement assembly used in select Bard wall mounted gas/electric units to deliver proper airflow across the evaporator and through the conditioned space. Because this is a programmed blower assembly, it is intended to match the correct motor and control setup specified by Bard so the unit can maintain designed airflow, staging, and comfort performance without guesswork. This part is typically replaced when the blower motor fails, the wheel becomes damaged, or airflow issues persist after cleaning and basic service, and the safest way to ensure dependable fit and operation is to match the full Bard part number to the unit model and serial before ordering.
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.