The most common causes for ECM failure are high static pressure from dirty filters and moisture entering the control module

this unit requires a specific MFD run capacitor (typically 5 MFD/370V) for proper torque and amperage

providing a 3-6 psi spring range for precise modulation

this 40VA transformer maintains consistent voltage output under load to prevent relay chatter and control board errors

providing a reliable thermal barrier against compressor flooded starts

York S1-025-42691-000 Expansion Valve 326010-701 The most common causes forThe York S1 025 42691 000 Expansion Valve is a critical metered flow component designed specifically for high efficiency R 410A cooling systems. This TXV valve utilizes a 3 8" x 3 8" ODF (Open Directional Flow) sweat connection, ensuring a leak resistant, hermetic seal within the liquid line. Engineered to maintain precise superheat at the evaporator coil, this thermal expansion valve adjusts refrigerant flow based on heat load, preventing liquid