Bard HVAC 8620-223 Defrost Board Replacement Kit R-410A Enhanced Protection: Integrated manual reset

Enhanced Protection: Integrated manual reset breaker prevents transformer burnout during short circuits or load spikes

A failing switch often results in ignition lockout or "pressure switch stuck open" error codes

it effectively manages line voltage loads such as baseboard heaters and ceiling cable heaters without the aggressive "click" of standard relays

Optimized Performance: Restores factory-spec combustion efficiency when switching from propane to natural gas

Maintaining the backflow preventer assembly with genuine OEM Watts 009 repair parts ensures the system meets local plumbing codes regarding potable water protection

Bard HVAC 8620-223 Defrost Board Replacement Kit R-410A Enhanced Protection: Integrated manual resetThe 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