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The Bard 8301-079-0002BX Programmed EEV Ctrl Board -Box is an OEM electronic expansion valve control board used in Bard HVAC equipment to command the EEV for accurate refrigerant metering, helping the system maintain proper superheat and stable cooling performance. Because this is a programmed board, it is intended to match specific Bard unit configurations, so it is important to confirm compatibility by model and serial number and follow the unit wiring diagram during replacement to avoid control faults or incorrect valve 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.