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The Bard 8106-072-0021BX is an OEM programmed blower motor assembly supplied boxed, designed to restore correct indoor airflow and static pressure performance in compatible Bard wall-mount and related Bard HVAC air handling sections. This 120/240V single-phase 1/2 HP motor is used to drive the blower wheel for proper air delivery across the coil, helping prevent comfort issues and nuisance safeties caused by weak or inconsistent airflow. Because programmed motors can be application-specific, confirm the exact part number match to your unit model and serial before ordering to ensure proper wiring, speed profile, and fit.
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.