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Bard part number 900-377-0189BX is a programmed blower assembly (boxed) used in Bard wall-mounted gas/electric HVAC units to move supply air across the heat exchanger and evaporator coil. This OEM assembly includes the blower motor and its programmed control matched to the correct factory airflow logic, which helps restore proper air delivery, staging, and comfort when a motor or integrated control fails. Because blower assemblies are model and voltage specific, confirm your unit model and serial information and match the exact part number before ordering to ensure correct fit and 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.