York 331-02977-000 Control Board Kit Refrigerant Always verify the 1
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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Sep 16 - Sep 21
Description
Always verify the 1
The valve body's extended copper ends or flare fittings allow for straightforward installation
the MP54 allows for initial oil pressure buildup during startup while protecting against intermittent pressure drops during standard operation
these parts are identical
This 5" to 6" integral draft hood ensures proper combustion gas dilution and maintains a consistent neutral pressure point at the flue outlet
York 331-02977-000 Control Board Kit Refrigerant Always verify the 1The 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
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