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The York S1-331-02980-000 is an essential OEM furnace control board kit engineered to manage both 1 and 2 stage heating and cooling sequences in high-efficiency York
Thermal Protection Accuracy: Calibrated specifically to trigger at 160 degrees Fahrenheit to prevent heat exchanger damage and maintain system longevity
high-pressure "HP" models often utilize different spring configurations for PSI-level output
This unit is the designated direct replacement for A-4000-148
Copeland ZR28K5E-PFV-800 Compressor Els PW 17895 The York S1-331-02980-000 is anThe Copeland ZR28K5E PFV 800 is a high efficiency hermetic scroll compressor designed for residential and light commercial air conditioning applications. Engineered for R 22 systems and compatible with POE oil for potential retrofits, this unit delivers a nominal capacity of 28,400 BTU hr at standard ARI conditions. Operating on 208 230V single phase power, it serves as a robust service replacement for legacy models including the 921047, ZR28K5E PFV
