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Bard 1804-0404 - Low Pressure Switch Assembly

The Bard 1804-0404 low pressure switch assembly is an OEM safety control used in Bard wall-mounted HVAC equipment to monitor suction pressure and help protect the compressor during abnormal operating conditions such as low refrigerant charge, restricted airflow, or evaporator freeze-up. When suction pressure drops below the switch setpoint, this assembly signals the system to interrupt compressor operation, reducing the risk of damage and nuisance failures. Designed for proper fit and dependable field service, the 1804-0404 assembly is the right choice when you are replacing a failed or intermittent low pressure safety on a Bard unit and want factory-correct operation after repairs.


  • Technical Specifications
  • Product number: 1804-0404
  • Manufacturer description: Low Pressure Switch Assembly
  • HTS Code: "8415.90.8085"

$125.00

This Part is Used in These Models ℹ️