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Bard 8612-043BX - MC4001 main controller board
The Bard 8612-043BX (MC4001) Main Controller Board is an OEM control board used in Bard MC4001 series lead lag controller systems that manage two Bard wall mount air conditioners from a single controller for staged heating and cooling operation and unit rotation. This replacement board restores the controller’s core logic and output control functions, helping maintain proper sequencing, alarms, and overall system coordination in telecom and other mission critical wall mount applications. Because controller board revisions and field wiring can vary by installation, match the full part number 8612-043BX and verify compatibility by Bard model and manual before ordering, and transfer settings and connections carefully during replacement.
- Technical Specifications
- Product number: 8612-043BX
- Manufacturer description: MC4001 Main Ctrl Board - Boxed
- Weight: 0.850 lbs
- HTS Code: "8415.90.8085"
- Previous Versions
- 8612-043 (Obsolete, superseded by 8612-043BX)
$314.00
What does the "BX" suffix mean?
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.