The unit utilizes a barbed connection for secure pneumatic tubing attachment

Industrial Build Quality: UL94-V-0 plastic enclosure and stainless steel sensor components ensure durability in mechanical rooms and air handlers

High-Temp Materials: Contains PTFE friction washers and EPDM components for superior chemical and heat resistance

easy-to-read scale plate for accurate field setpoints

York S1-031-09151-000 Control Board Els PW 17895 The unit utilizes a barbedThe York S1 031 09151 000 Control Board is a critical 4 stage expansion control designed for precise regulation within multi stage HVAC systems. Engineered to interface seamlessly with 24V AC circuits, this OEM York circuit board manages the complex sequencing of up to four levels of heating or cooling modulation. By integrating real time data from system sensors and thermostats, the S1 031 09151 000 ensures the equipment operates at peak efficiency,