Description
The York S1-4101-00 (Model E2S120-HP) is a factory-engineered refrigeration solenoid valve designed for reliable refrigerant flow control in R-410A heat pump systems. Featuring a normally closed (NC) configuration, this valve ensures the refrigerant circuit remains sealed when de-energized, providing a critical safety and operational function in modern heat pump installations.
Key Features
- OEM York replacement solenoid valve — SKU S1-4101-00, Model E2S120-HP
- 1/4″ sweat (solder) connections for secure, leak-free installation
- Normally closed (NC) operation — valve closes automatically when de-energized
- Engineered for compatibility with R-410A refrigerant systems
- Designed specifically for heat pump (HP) applications
- Direct OEM replacement ensures proper fit and performance
Application
This solenoid valve is an OEM-specified component for York heat pump systems, controlling refrigerant flow within the refrigeration circuit. Its normally closed design is ideal for applications where fail-safe shutoff is required, preventing refrigerant migration during off cycles and protecting compressor integrity.
Installation Notes
- 1/4″ sweat connections — use standard refrigeration brazing procedures
- Verify system voltage requirements match the valve coil specifications before installation
- Designed as a direct OEM replacement for compatible York heat pump models
- Always recover refrigerant and follow EPA 608 guidelines before servicing
Why Choose OEM York Parts?
Using genuine York OEM replacement components like the S1-4101-00 ensures your system maintains its original performance specifications, warranty compliance, and long-term reliability. Aftermarket substitutes may not meet the precise tolerances required for R-410A heat pump operation.
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