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Bard part number 917-0390BX is an OEM coated coil assembly supplied boxed for service replacement on Bard wall-mounted air conditioners and heat pumps. This coil assembly is built to restore proper heat transfer and system capacity when the original coil is damaged, leaking, or excessively corroded, helping bring suction and head pressures back into a normal operating range once the sealed system is correctly evacuated and charged. Because coils are model and revision specific, verify compatibility by matching the full part number 917-0390BX to your unit model and serial and confirm refrigerant type and connection details before ordering to ensure proper fit and 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.