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Bard 5650-049BX is an OEM solenoid valve assembly supplied with its matching coil, packaged boxed, used in Bard wall-mounted HVAC equipment to control refrigerant flow during specific operating modes and sequences. If a system is not shifting correctly, is not feeding refrigerant as designed, or is showing a valve related fault during service diagnostics, replacing the solenoid valve and coil as a complete OEM set helps restore proper operation and reduces fitment and wiring guesswork compared with mixing aftermarket components. Confirm your unit model and the original part number cross reference, since Bard lists 5650-049BX as the official replacement for the earlier 5650-049 part.
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.