The Daikin-McQuay 2558456 Board Assembly is a genuine OEM replacement control board engineered for use in compatible Daikin-McQuay HVAC systems. Designed to restore proper system operation, this board assembly delivers the precision electronic control your equipment demands — helping maintain consistent performance, accurate system communication, and long-term reliability.
Product Overview
As a factory-authorized replacement part, the 2558456 Board Assembly is built to Daikin-McQuay’s exacting standards. Whether you’re servicing a commercial rooftop unit, air handler, or other Daikin-McQuay equipment, this board assembly ensures a proper fit and function, minimizing downtime and reducing the risk of compatibility issues associated with aftermarket alternatives.
Key Features
- Genuine Daikin-McQuay OEM board assembly
- Direct replacement for compatible Daikin-McQuay HVAC equipment
- Engineered for precise system control and reliable operation
- Helps restore full system functionality quickly
- Manufactured to OEM specifications for assured fit and performance
Application
- Compatible with select Daikin-McQuay commercial HVAC systems
- Ideal for HVAC technicians and service contractors performing board-level repairs
- Suitable for use in commercial and light industrial applications
Why Choose OEM?
Using a genuine Daikin-McQuay replacement board assembly ensures your system operates as originally designed. OEM parts eliminate guesswork, reduce callback risk, and help maintain any existing equipment warranties. Always verify compatibility with your specific unit model before installation.








