021-889

This premium High Pressure SPST Switch is a critical safety component designed for high-performance HVAC systems, including residential and commercial air conditioning units and heat pumps. As an essential air-proving and pressure-monitoring device, this switch is engineered to automatically open the electrical circuit when system pressure reaches 650 PSI. By acting as a safety cutout, it protects the compressor and other vital components from damage caused by excessive internal pressure, which can result from restricted airflow, condenser fan failure, or refrigerant issues. This Single Pole Single Throw (SPST) switch ensures your cooling system operates within safe parameters, preventing expensive equipment failure and maintaining efficient climate control.
Type: HVAC Pressure Switch
Size: Standard compact component
Application: Used as a safety limit control in central air conditioners, heat pumps, and forced-air cooling systems to monitor refrigerant line pressure.
Specifications: Configuration: SPST (Single Pole Single Throw); Cut-out Pressure: 650 PSI; Function: Opens on pressure rise; Type: High-pressure safety switch.