Description
The York S1-025-43272-000 is an OEM adjustable thermostatic expansion valve (TXV) engineered to deliver precise refrigerant metering and optimal system efficiency in York cooling equipment. Featuring 3/8″ ODF liquid inlet and 5/8″ ODF suction outlet connections, this valve is a direct-fit replacement designed to restore factory-spec performance.
Product Overview
The thermostatic expansion valve is a critical component in any refrigeration or air conditioning system, regulating the flow of liquid refrigerant into the evaporator coil based on superheat demand. The adjustable design of the S1-025-43272-000 allows technicians to fine-tune superheat settings to match system requirements, ensuring maximum heat transfer efficiency and compressor protection.
Key Features
- Adjustable superheat setting for flexible system optimization
- 3/8″ ODF liquid line inlet connection
- 5/8″ ODF suction/outlet connection
- OEM York replacement part for reliable, factory-spec performance
- Precision-engineered valve body for consistent refrigerant metering
- Helps protect the compressor from liquid slugging and overheating
- Compatible with York residential and light commercial cooling systems
Specifications
- SKU: S1-025-43272-000
- Brand: York
- Valve Type: Thermostatic Expansion Valve (TXV), Adjustable
- Inlet Connection: 3/8″ ODF
- Outlet Connection: 5/8″ ODF
- Superheat: Adjustable
Installation Notes
This TXV is designed as a direct OEM replacement for compatible York systems. Always verify system refrigerant type, capacity, and connection sizing before installation. Proper superheat adjustment should be performed by a qualified HVAC technician using calibrated gauges and thermometers. Braze or flare connections per applicable codes and manufacturer guidelines.







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