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8612-043 OBSOLETE
- MC4001 Main Controller Board
The Bard 8612-043 MC4001 main controller board is an OEM control board used to manage key operating functions on compatible Bard HVAC equipment, including coordinating system calls, safety inputs, and equipment sequencing. When a unit is experiencing intermittent operation, communication or control issues, or fails to respond correctly to calls, replacing the main controller with the correct Bard board can restore stable, factory-correct performance without guesswork. Because control boards are model and revision specific, confirm the 8612-043 part number against your unit documentation and wiring connections before ordering and during installation.
Official replacement(s):
8612-043BX
- MC4001 Main Control Board - Boxed If Zero Stock, use 8612-043ABX