040-115

This high-pressure switch is a critical safety component designed for residential and commercial HVAC systems. Functioning as an air-proving and system protection device, it actively monitors internal refrigerant or air pressure to ensure your air conditioner or heat pump operates within safe parameters. If the system pressure exceeds the factory-set limit, the switch interrupts the electrical circuit, instantly shutting down the compressor to prevent mechanical failure or expensive equipment damage. This replacement part is essential for restoring the safety and efficiency of your cooling or heating unit, protecting your HVAC investment from high-pressure surges and ensuring reliable climate control.
Type: High Pressure Switch / Air Proving Switch
Size: Small
Application: Commonly used in central air conditioning systems, heat pumps, and HVAC units to monitor high-side pressure and provide system cut-out protection.
Specifications: Factory-calibrated pressure threshold; normally closed contact configuration; durable housing for HVAC environment compatibility.