York S1-324-36079-553 Module 321894-708 This single-groove sheave is typically

This single-groove sheave is typically designed for standard A-section or AX cogged belts

Compatible with 24V HVAC controls

allowing technicians to tighten or replace the packing to maintain a tight seal over the life of the gauge

As a direct replacement for 28052

it detects the presence of a flame via ionization and signals the HVAC control board to permit continued gas flow or trigger a safety lockout

York S1-324-36079-553 Module 321894-708 This single-groove sheave is typicallyThe York S1 324 36079 553 Module is a high performance, programmed ECM blower motor control module engineered for 1 2 HP EON ECM motors. This genuine York OEM replacement part ensures precise airflow management and variable speed control in residential and light commercial HVAC systems. Designed for drop in compatibility, the S1 324 36079 553 manages the communication between the furnace or air handler control board and the motor, optimizing torque