Description
The York S1-025-45301-000 is an OEM thermostatic expansion valve (TXV) engineered for 6-ton York cooling systems. Designed to precisely meter refrigerant flow into the evaporator coil, this TXV maintains optimal superheat levels across varying load conditions — protecting the compressor and maximizing system efficiency.
Key Features
- OEM York replacement TXV valve for reliable, factory-spec performance
- Rated for 6-ton system capacity
- 3/8″ ODF inlet connection for liquid line compatibility
- 5/8″ ODF outlet connection for evaporator coil connection
- Thermostatic sensing bulb design for accurate superheat control
- Maintains stable refrigerant metering across varying load conditions
- Helps protect the compressor from liquid slugging
- Direct OEM replacement — no modifications required
Product Specifications
- Brand: York
- SKU: S1-025-45301-000
- Valve Type: Thermostatic Expansion Valve (TXV)
- System Capacity: 6 Ton
- Inlet Connection: 3/8″ ODF
- Outlet Connection: 5/8″ ODF
Application
This TXV is a direct OEM replacement for compatible York 6-ton air conditioning and heat pump systems. It is ideal for HVAC technicians performing refrigerant circuit repairs or system restorations where precise refrigerant metering is critical to system performance and longevity.







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