Description
The York S1-025-38739-060 is a factory-specified thermostatic expansion valve (TXV) engineered for use with R-410A refrigerant systems at a 3-ton capacity. Designed to deliver precise refrigerant metering, this TXV maintains optimal superheat control across varying load conditions, protecting the compressor and maximizing system efficiency.
As a genuine York OEM replacement component, this valve ensures a direct, reliable fit for compatible York equipment, eliminating guesswork during service and reducing callback risk.
Key Features
- OEM York replacement thermostatic expansion valve
- Rated for R-410A refrigerant
- 3-ton system capacity
- 3/8″ inlet x 3/8″ outlet connection size
- Provides accurate superheat regulation for consistent system performance
- Protects compressor from liquid slugging and refrigerant flooding
- Direct OEM replacement for compatible York systems
Specifications
- SKU: S1-025-38739-060
- Brand: York
- Refrigerant Type: R-410A
- System Capacity: 3 Ton
- Connection Size: 3/8″ x 3/8″
- Valve Type: Thermostatic Expansion Valve (TXV)
Application
This TXV is intended for use in residential and light commercial split-system air conditioning and heat pump applications using R-410A refrigerant. Always verify compatibility with the specific York equipment model before installation.









