040-111

This high-performance low pressure switch is a vital safety component for HVAC and climate control systems. Functioning as an air proving switch, it is designed to monitor internal pressure levels and protect the system's compressor from damage caused by low refrigerant or airflow issues. With a specific 44/27 PSI set point range, it ensures the unit operates within safe parameters by automatically cycling the system if pressure drops below the required threshold. This durable switch is essential for maintaining the longevity and efficiency of heating and cooling equipment, providing reliable protection against system failures in both commercial and residential applications.
Type: Air Pressure Switch
Size: Small
Application: Used in commercial and residential HVAC systems, air conditioning units, and heat pumps to provide low-pressure cutout protection and air proving verification.
Specifications: Pressure set points of 44/27 PSI; designed for safety circuit integration in cooling and heating cycles.