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The Bard 8406-007 high pressure switch is an OEM safety control used in Bard wall mounted HVAC equipment to monitor refrigerant discharge pressure and protect the compressor and sealed system. This switch is rated to open on high pressure at 500 psi cut-out and automatically reset when pressure drops to 400 psi cut-in, helping prevent nuisance shutdowns while still providing dependable protection during restricted airflow, dirty coils, overcharge, or fan failures. If you are troubleshooting high pressure trips or replacing a failed safety switch, the Bard 8406-007 is the correct factory-spec replacement for restoring proper system safeties and normal cooling operation.
* Orders less than $50 may incure a minimum order fee.