or the control board flashing a specific pressure switch lockout code

Refrigerant Compatibility: Specifically valved and tested for R-410A residential and light commercial applications

and 8116233

Leak Prevention: Reinforced drain ports prevent stress fractures at the connection points

Always verify your specific model number

York S1-028-12383-700 Sheave 319847-401 or the control board flashingThe York S1 028 12383 700 Sheave is a precision engineered 1 groove fixed sheave designed for high performance power transmission in commercial and residential HVACR systems. Built to handle the heavy duty torque requirements of blower motors and drive assemblies, this cast iron pulley features a robust 1" bore to ensure a secure, slip free fit on standard motor shafts. Designed specifically for AK61 belt profiles, it maintains critical airflow and