Bard HVAC 8620-104 Defrost Relay Kit 24V

The Bard HVAC 8620-104 Defrost Relay Kit 24V controls electrical switching for the defrost circuit during refrigeration equipment operation. It responds to control signals by opening or closing electrical contacts, allowing the connected defective components to operate according to the programmed sequence. Positioned within the electrical control section, it operates with associated control and defrost assemblies across HVAC systems to support regulated defrost control. It provides proper electrical switching through contact operation, balanced circuit control, responsive signal handling, and coordinated defrost operations.