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using the specific OEM pressure switch is recommended to ensure the furnace operates within the exact tolerances defined by the manufacturer’s combustion design
this power head features a robust internal motor assembly and 13A current rating to ensure consistent performance under high-demand cycles
meaning it breaks the circuit on a pressure drop and makes on a pressure rise
or specific diagnostic blink codes on the furnace control board indicating a pressure switch circuit failure
York S1-373-27868-401 Indoor Coil 340155-7024 using the specific OEM pressureThe York S1 373 27868 401 Indoor Coil is a precision engineered evaporator coil designed for high efficiency heat transfer in residential HVAC systems. Engineered as a direct OEM replacement part, this cased coil features a durable aluminum construction to maximize corrosion resistance and prevent formicary pitting, a common failure point in older copper designs. It comes integrated with a high grade drain pan to ensure superior condensate management