Description
The Armstrong International D56596 is the main printed control board designed as a direct OEM replacement for HC-6000 Series HumidiClean units manufactured effective January 2015. This precision-engineered control board serves as the operational brain of the HC-6000 HumidiClean system, managing and coordinating the unit’s cleaning and humidification cycles to maintain peak performance and reliability.
Important Compatibility Notice
This control board is intended for HC-6000 Series HumidiClean units produced on or after January 2015. If your unit was manufactured prior to January 2015, it is not directly compatible with this board. Older units require the Armstrong International upgrade kit D65113 before this control board can be installed. Always verify your unit’s manufacture date before ordering.
Key Features
- OEM main printed control board for Armstrong International HC-6000 Series HumidiClean systems
- Direct replacement for units effective January 2015 and later
- Engineered to Armstrong International’s exacting quality standards
- Ensures proper operation and control of all HumidiClean system functions
- Older pre-2015 units require upgrade kit D65113 for compatibility
Application
The D56596 control board is the ideal solution for restoring full functionality to an HC-6000 Series HumidiClean unit experiencing control board failure or malfunction. Using a genuine Armstrong International OEM replacement part ensures system integrity, reliable operation, and helps maintain any existing equipment warranties.
Important Note on Older Units
If your HC-6000 Series HumidiClean was manufactured before January 2015, do not attempt to install this board without first purchasing and installing the Armstrong International upgrade kit D65113. Failure to use the upgrade kit on older units may result in improper operation or equipment damage.







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