Daikin-McQuay 667997201 Control Board 321042-401 Always check for scorch marks

Always check for scorch marks around the board relays before replacing

Broad Media Compatibility: Suitable for water

Precision Airflow Control: Supports a wide 600-1200 RPM range to maintain consistent climate control and system static pressure

Genuine OEM compatibility maintains the original listing and safety certification of Lennox commercial HVAC units

When should a suction line accumulator be replaced

Daikin-McQuay 667997201 Control Board 321042-401 Always check for scorch marksAs an HVAC pro, you know a critical failure in the Daikin McQuay 667997201 Control Board means a complete system shutdown. This Digital Premium Control Board is a specialized OEM replacement part engineered for high demand industrial and commercial HVAC systems. It utilizes advanced control algorithms to regulate temperature and humidity with precision, ensuring the compressor and fan motors operate in the exact sequence required for maximum