Bard 8406-067 - Manual reset high pressure switch

Bard 8406-067 is an OEM manual reset high pressure cutout switch rated at 425 PSI, used to protect Bard wall-mounted packaged air conditioners and heat pump systems by opening the safety circuit if refrigerant head pressure climbs to an unsafe level. This switch is commonly applied in the high side protection circuit to help prevent compressor damage from airflow issues, condenser fouling, fan problems, overcharge, or other high pressure fault conditions, and it requires a technician to correct the cause and manually reset the switch before the unit can be returned to service. If you are troubleshooting repeated high pressure trips, confirm the exact model and wiring match in your Bard parts list or service literature to ensure proper fit and safe operation.

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