Description
The York S1-025-45256-000 is an OEM thermostatic expansion valve (TXV) engineered for precise refrigerant flow control in York residential and light commercial HVAC systems. Rated at 93.0 PSIG and featuring 3/8″ x 7/8″ ODF connections, this valve is a direct-fit replacement designed to restore peak system efficiency and maintain accurate superheat control.
A properly functioning TXV is critical to system performance — it meters refrigerant flow into the evaporator coil in response to suction line superheat, preventing liquid floodback while ensuring the evaporator is fully utilized. Replacing a failed or underperforming TXV with this genuine York part helps restore system capacity, efficiency, and equipment longevity.
Key Specifications
- OEM Part Number: S1-025-45256-000
- Valve Type: Thermostatic Expansion Valve (TXV)
- Rated Pressure: 93.0 PSIG
- Inlet Connection: 3/8″ ODF
- Outlet Connection: 7/8″ ODF
- Brand: York (OEM)
Features & Benefits
- Direct OEM replacement for compatible York systems — no modifications required
- Precise superheat regulation for optimized evaporator performance
- ODF (Outside Diameter Flare) connections for reliable, leak-free installation
- Engineered to York’s original design specifications for long-term durability
- Helps restore system capacity and energy efficiency after valve failure
Application
This TXV is designed for use in York-branded split systems and packaged HVAC equipment. Always verify compatibility with your specific unit’s model and refrigerant type before installation. Consult system documentation or a qualified HVAC technician to confirm proper valve sizing and superheat settings.
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