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Bard part 917-0039BX is an OEM coil assembly boxed for service replacement on select Bard wall mounted HVAC units, built to restore proper heat transfer and refrigerant-side performance when a coil is leaking, restricted, or physically damaged. Replacing a worn coil assembly helps bring the system back to correct suction and head pressures, supports stable capacity, and reduces the risk of repeat compressor issues caused by poor airflow or inefficient heat exchange. Because coil fit and connections can vary by model and revision, confirm compatibility by matching the full part number 917-0039BX to your Bard 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.