The York S1-7945-3011 is designed for specific heat exchanger assemblies

and Normally Closed (NC) terminals

Optimized Performance: Engineered for a premix design that stabilizes the flame and reduces nitrogen oxide (NOx) emissions

Common Technical Questions Is the S1-502039 compatible with high-pressure POE oils

Universal Compatibility: Direct OEM replacement for Lennox 58C9801

York 025-45462-042 EEV Driver Board 321894-706 The York S1-7945-3011 is designedThe York 025 45462 042 EEV Driver Board is a critical IB G expansion valve control component engineered for high precision refrigerant metering in commercial and industrial HVAC systems. Designed as a direct OEM replacement EEV driver, this board facilitates the exact modulation of electronic expansion valves, ensuring the refrigeration cycle maintains optimal superheat levels. By varying the valve's aperture based on real time cooling or heating