York S1-03109198000 Transducer w/ Wire Harness, 4.75-5.25Vdc, 0-2 Wc. This is a genuine OEM (Original Equipment Manufacturer) part. York offers a multitude of chiller parts and more for any and all commercial HVAC units. Keep your equipment safe and running at top efficiency with York. Use genuine OEM parts for safety reliability and performance.