or the inability of the valve to fully close against system pressure

Built with a focus on torque and longevity

How does the changeover work

With a 1-1/2" NPT connection and an 18

York 331-02507-602 Board Kit 322056-301 or the inability of theThe York 331 02507 602 is a mission critical VSD Logic Board Kit designed strictly for YCIV Air Cooled Screw Chillers. As a primary control component for Variable Speed Drives, this YCIV replacement board manages high frequency PWM signals and compressor synchronization to maintain precise load control. This kit is an essential HVAC logic board repair solution for technicians addressing drive synchronization errors or communication failures within the