Daikin-McQuay 4012621 Printed Circuit Board Assembly Fan Control

The Daikin-McQuay 4012621 Printed Circuit Board Assembly is a genuine OEM fan control PCB designed for use in compatible Daikin-McQuay commercial HVAC systems. This circuit board assembly manages fan operation within the unit, processing input signals and delivering precise commands to maintain proper airflow, system performance, and energy efficiency.

Key Features:

• Genuine OEM Daikin-McQuay replacement PCB assembly
• Dedicated fan control circuitry for accurate fan speed and operational management
• Engineered to factory specifications for reliable, long-term performance
• Direct drop-in replacement — no modifications required
• Built to withstand the demands of commercial and industrial HVAC environments
• Supports seamless communication between fan components and the broader HVAC control system

Replacing a faulty fan control PCB with a genuine OEM assembly helps restore full system functionality, reduce unplanned downtime, and ensure the HVAC equipment operates within its designed parameters. OEM Part Number: 4012621.