Johnson Controls P100AP-105 SPST-Auto Pressure Switch 30 PSI Open 60 PSI Close

The Johnson Controls P100AP-105 SPST-Auto Pressure Switch is a reliable tool to control pressure in your HVAC systems. This pressure switch is of automatic type and opens at 30 PSI and closes at 60 PSI and can be used for maintaining pressure in various HVAC applications. This makes it possible to get constant performance regardless of the prevailing weather conditions. This utilizes a normally closed (NC) switching mechanism that breaks the circuit when pressure exceeds the set point, thus preventing equipment from being damaged by overpressure.