York 331-02977-000 Control Board Kit Refrigerant from pilot loads to full

from pilot loads to full demand

Key Benefits Universal Compatibility: Designed for use in electric furnaces

Key Benefits Universal Compatibility: The 120/208/240V input makes this a "truck stock" essential for servicing various residential and light commercial equipment

This model is rated up to 200 psi with a max overload pressure of 400 psi

For critical safety applications

York 331-02977-000 Control Board Kit Refrigerant from pilot loads to fullThe York S1 331 02977 000 2 Stage ECM Control Board Kit is an essential OEM replacement engineered for precise furnace sequence control and ECM blower motor modulation. Designed for two stage gas furnaces, this integrated furnace control (IFC) manages induction motor timing, ignition sequences, and multi speed airflow adjustments to ensure optimal thermal efficiency. It serves as the direct HVAC replacement board for several legacy models, including