York S1-031-01971-000 Control Board 326070-701 always verify your specific model

always verify your specific model number for fitment

Which York HVAC models use this specific sheave

ensuring the ignition system remains within original safety parameters

it is designed for high-flow installations requiring reliable fluid temperature regulation

The Schneider Electric (Erie) 0453R0077GA00 Actuator is a heavy duty direct drive solution engineered for high-reliability airflow management in HVACR systems

York S1-031-01971-000 Control Board 326070-701 always verify your specific modelThe York S1 031 01971 000 Defrost Control Board is a critical OEM replacement part designed to manage heat pump termination and initiate cycles within commercial refrigeration systems and residential HVAC units. This Source 1 technical component functions as the primary logic board, coordinating the reversing valve, auxiliary heat strips, and outdoor fan motor to prevent hazardous ice accumulation on the condenser coils. Engineered for precise