Description
The York S1-025-45258-000 is an OEM thermostatic expansion valve (TXV) engineered to deliver precise refrigerant metering and consistent system performance in compatible York HVAC equipment. Featuring a non-adjustable design, this valve maintains a factory-set superheat setting, eliminating the risk of field misadjustment and ensuring reliable, repeatable operation throughout the life of the system.
Product Overview
Thermostatic expansion valves play a critical role in the refrigeration cycle by regulating the flow of refrigerant into the evaporator coil based on suction line superheat. The non-adjustable configuration of this York TXV provides a stable, calibrated response that protects the compressor from liquid slugging while maximizing system efficiency.
Key Features
- OEM York replacement TXV for accurate, drop-in fitment
- Non-adjustable superheat setting for consistent, factory-calibrated performance
- 3/8″ inlet x 5/8″ outlet connections for straightforward installation
- 81.3 capacity rating for proper system sizing and compatibility
- Designed to protect the compressor by preventing liquid refrigerant flood-back
- Durable construction built to withstand demanding HVAC operating conditions
Specifications
- SKU: S1-025-45258-000
- Brand: York
- Valve Type: Thermostatic Expansion Valve (TXV)
- Inlet Connection: 3/8″
- Outlet Connection: 5/8″
- Capacity Rating: 81.3
- Adjustment Type: Non-Adjustable
Application
This TXV is intended as a direct OEM replacement for York systems requiring part number S1-025-45258-000. Always verify compatibility with your specific equipment model before installation. Proper TXV selection and installation is essential for peak system efficiency, compressor longevity, and overall equipment reliability.







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