Symptoms include the system failing to switch modes

it is best practice to mount the valve with the solenoid upright or in a horizontal run

Using genuine York HVAC parts ensures seamless communication with the control logic

causing the coil to draw excessive current

Cleveland Controls NS2-0111-00 Pressure Switch 322056-301 Symptoms include the system failingThe Cleveland Controls NS2 0111 00 is an essential OEM air flow pressure sensing switch specifically calibrated at . 45" w. c. for AAON equipment and high performance industrial HVAC systems. This differential pressure switch utilizes a high grade silicone diaphragm and a glass filled polycarbonate housing to provide superior stability in building automation environments. As a veteran preferred HVAC pressure switch, it features an integral SPDT switch