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8406-111 OBSOLETE
- HIGH PRESSURE SWITCH 540 PSIG
The Bard 8406-111 high pressure switch is an OEM refrigerant safety control used on select Bard wall mounted heat pump and air conditioner equipment to protect the compressor during abnormal high head pressure conditions. This 540 PSIG switch is applied on the liquid line and opens the control circuit when pressure rises beyond its setpoint, helping prevent nuisance damage from restricted airflow, a dirty condenser coil, overcharge, or condenser fan issues. When you are replacing a failed or intermittent high pressure safety, using the correct Bard part number matters because trip points and mounting/connection style must match the unit design, so confirm your model and serial in the Bard service literature before ordering Bard 8406-111.
Official replacement(s):
1804-0316
- High Pressure Control Assy