the York limit control utilizes a bimetallic disc for reliable snap-action switching

maintaining airtight integrity in high-demand environments

measure the resistance across the pigtails

It should only be used in applications where the manufacturer specifies an automatic return to a closed state once temperatures drop to the 120

Johnson Controls P70AA-118 Pressure Control Els PW 17895 the York limit control utilizesThe Johnson Controls P70AA 118 is a professional grade single pole high pressure control designed specifically for condenser fan cycling and high side pressure management in commercial refrigeration and HVAC systems. As a veteran preferred SPST pressure switch, it features a "Close High, Open Low" action, ensuring precise head pressure control across a broad range of 100 to 400 psi. This model is the direct technical replacement for the legacy P70AA