Daikin-McQuay 4009393 Circuit Board 326070-701 Easy Mechanical Attachment: The bolt-on

Easy Mechanical Attachment: The bolt-on design allows for direct-to-case mounting

and RLY01566 for simplified inventory management

reducing strain on the combustion blower

and all supply registers are open

Replacement Efficiency: Effectively replaces individual mounting legs and accommodates most standard shell screw spacings (1/4" to 4-5/16")

Daikin-McQuay 4009393 Circuit Board 326070-701 Easy Mechanical Attachment: The bolt-onThe Daikin McQuay 4009393 Circuit Board is a critical OEM replacement control board designed to maintain the operational integrity of specific Daikin ductless mini split and McQuay air conditioning systems. Engineered as a high precision HVAC printed circuit board, this assembly manages multi stage logic for compressor modulation and fan motor synchronization. It acts as the central hub for decoding signals from temperature and pressure sensors,