040-426

This high-performance Low Pressure Switch is a critical safety component designed for HVAC and air handling systems. Functioning as an air proving switch, it monitors pressure levels to ensure proper airflow and system pressure before allowing the cooling or heating cycle to proceed. If pressure drops below the calibrated 117/054# threshold, the switch interrupts the circuit to protect the compressor and other vital components from damage. Ideal for both commercial and residential applications, this durable pressure sensor is a reliable solution for restoring system efficiency, resolving safety lockouts, and ensuring consistent climate control performance.
Type: Air Pressure Switch
Size: Standard
Application: Used in HVAC systems, air handlers, and cooling units as a safety cutout or air proving sensor to monitor system pressure and airflow.
Specifications: Low pressure cutout/proving switch with a 117/054# setpoint calibration for precise system monitoring and equipment protection.