Bard HVAC 8620-104 24V Defrost Relay Kit

The Bard HVAC 8620-104 is a genuine OEM 24-Volt Defrost Relay Kit designed as a direct replacement for Bard heating and cooling systems. This kit provides the electrical switching control necessary to manage the defrost cycle, helping heat pump systems operate efficiently by clearing frost accumulation from the outdoor coil during cold-weather operation.

Key Features

• Genuine Bard HVAC OEM replacement part
• 24V operating voltage for compatibility with standard low-voltage HVAC control circuits
• Engineered to manage and control the defrost cycle in heat pump applications
• Direct drop-in replacement for simplified installation
• Helps maintain system efficiency and prevents coil icing during heating operation
• Durable construction built to Bard HVAC quality standards

Application

This defrost relay kit is intended for use in Bard HVAC heat pump units where the original defrost relay has failed or requires replacement. Proper defrost relay operation is critical to maintaining heat pump performance in cold climates, ensuring the outdoor coil is periodically cleared of frost to sustain efficient heat transfer.

Installation

Installation should be performed by a qualified HVAC technician. Always disconnect power to the unit before servicing. Refer to the applicable Bard HVAC service manual and wiring diagrams for your specific unit model to ensure correct installation and safe operation.