York 331-03478-626 Board Kit

The York 331-03478-626 Board Kit functions as a critical chiller service board designed for precise HVAC control system management. This specific York circuit board replacement serves as the direct upgraded successor to the 331-03478-002, ensuring seamless industrial chiller maintenance and reliable communication between system components. Engineered for the rigors of commercial cooling environments, this kit provides stable voltage regulation and logic processing for complex chiller sequences. Technicians can execute a direct swap-out to address communication failures or logic errors, maintaining consistent setpoints and minimizing downtime. Utilizing high-grade trace paths and robust terminal connections, this service kit is essential for restoring full diagnostic capabilities and operational efficiency to compatible York units.

• Direct Replacement: Specifically engineered to supersede legacy part number 331-03478-002 without requiring field modifications.
• System Reliability: Restores stable communication between the microprocessor and peripheral HVAC components.
• Simplified Installation: Standardized mounting footprint designed for rapid field deployment by qualified technicians.
• Enhanced Logic Control: Updated circuitry provides consistent performance in demanding high-demand cooling cycles.

Is the 331-03478-626 backwards compatible?

Yes, this board kit is the official direct replacement for the 331-03478-002 model and is designed to integrate into existing York chiller controllers.

Does this board require firmware flashing in the field?

While the board kit contains the necessary hardware, technicians should verify specific York chiller electronics parameters to ensure the board matches the specific site configuration.

What are the signs of a failing York chiller board?

Common indicators include intermittent communication faults, erratic sensor readings, or a complete failure of the chiller to initiate the start sequence.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.