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Enhanced Safety: Built-in normally closed limit switches provide automatic thermal protection against airflow restrictions
This usually happens when the discharge thermistor detects temperatures exceeding 268°F
technicians can fine-tune the acceleration-sensitive trigger to match the specific harmonic profile of their equipment
making it ideal for monitoring water levels with moderate resistance and ensuring consistent relay actuation without nuisance tripping
Most technician-level replacements recommend verifying the capacitor rating on the motor nameplate during installation
Lennox 59W34 Pressure Switch 340793-762 Enhanced Safety: Built-in normally closedThe Lennox 59W34 High Pressure Switch is an essential OEM safety component designed for heavy duty application in residential and commercial cooling systems. This SPST high pressure control is engineered to monitor high side refrigerant pressures, providing critical protection for the compressor and system piping. This switch actuates at 640 PSI to immediately open the control circuit and resets at 475 PSI, ensuring the unit stays offline until