Daikin-McQuay 4021153 Circuit Board 322838-752 Designed specifically for Williams units

Designed specifically for Williams units manufactured after 2013

Compact Form Factor: The 1 1/2" face is ideal for tight mechanical control panel configurations

not a primary load-bearing member

Comprehensive Seal Replacement: The included O-rings and lubricant facilitate a professional-grade seal against high-pressure fluctuations

allowing it to control up to four compressors or five fans depending on the configuration and step-control logic selected

Daikin-McQuay 4021153 Circuit Board 322838-752 Designed specifically for Williams unitsThe Daikin McQuay 4021153 Circuit Board is a critical OEM replacement control board designed for high performance management of industrial and commercial HVAC systems. This Printed Circuit Board Assembly (PCBA) serves as the central processing hub, coordinating essential system parameters such as fan speed regulation, dehumidification cycles, and precise temperature setpoint maintenance. Engineered for seamless integration, the Daikin 4021153 is