Bard HVAC 8620-223 Defrost Board Replacement Kit

The Bard 8620-223 Defrost Board Replacement Kit is the essential service component for maintaining demand defrost logic in Bard wall-mount heat pumps. As the direct S8201-102 replacement board, this kit ensures seamless integration with existing control circuits, preventing coil freeze-ups and optimizing heating efficiency during low-ambient operation. Engineered for technical reliability, the board manages timing sequences and sensor inputs to initiate defrost cycles only when necessary, reducing mechanical wear on the compressor. This HVAC defrost control board is a critical Bard heat pump part for contractors performing field repairs or preventative maintenance. The kit includes the necessary components to restore factory-spec timing and defrost termination settings. Whether you are troubleshooting a defrost cycle failure or upgrading an aging control module, the Bard 8620-223 provides the precision required for high-performance environmental control systems in commercial and telecommunications applications.

• Direct OEM Replacement: Replaces legacy part number S8201-102 without requiring cabinet modifications.
• Demand Defrost Logic: Optimizes system performance by eliminating unnecessary cycles, preserving the life of the reversing valve.
• Rugged Build Quality: Designed to withstand the high-vibration environment of exterior wall-mount HVAC units.
• Standardized Connections: Features clearly labeled terminal points for efficient field wiring and diagnostics.

Is this board compatible with all Bard wall-mount units?
This kit is specifically designed as the 8620-223 defrost board replacement for units originally utilizing the S8201-102 module. Always verify your unit's serial plate and wiring diagram for compatibility.

Does this kit include the defrost sensor?
This kit focuses on the control board logic. While it interface with existing sensors, it is best practice to ohm out your current thermistor to ensure the entire defrost circuit is functioning within spec.

What are the symptoms of a failing defrost board?
Common indicators include heavy ice accumulation on the outdoor coil, the unit failing to shift into cooling mode for defrost, or improper timing between initiation and termination cycles.

This item is not eligible for free shipping.

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.