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The Bard 8301-098-002ABX is a factory programmed UPC3 Core 2 control module supplied boxed, built to restore correct unit logic and safe operation when replacing a failed or damaged controller in compatible Bard wall mount air conditioners and heat pumps. Because this is an OEM programmed controller, it is intended to match Bard sequences of operation such as staging, fan control, safety lockouts, and communication functions where used, helping reduce startup issues that can occur with non-programmed or incorrect replacement boards. Always confirm the exact unit model and serial requirements and transfer any needed field wiring and settings per the Bard service literature so the replacement controller operates as intended.