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3 A Drop Out
you may require additional 90-degree or flat mounting brackets for proper orientation
it provides the necessary negative pressure to clear the heat exchanger of combustion by-products through the flue
Designed for direct-fit compatibility with York HVAC units and commercial-grade air handlers
Daikin-McQuay 4009501 Circuit Board 319852-301 3 A Drop OutThe Daikin McQuay 4009501 Circuit Board is a critical OEM replacement component engineered for precise logic control in Daikin HVAC systems. As a primary printed circuit board (PCB), this unit serves as the communication hub, managing electrical signals between sensors, thermostats, and mechanical components to ensure stable system operation. Designed to match original factory specifications, it provides a direct fit solution for technicians looking
