Description
The York S1-1TVM5A1 is a factory-engineered Thermostatic Expansion Valve (TXV) Kit designed specifically for use with R454B refrigerant systems. Featuring a 3/4″ Chatleff connection, this kit delivers accurate refrigerant metering to maintain optimal system efficiency and performance in compatible York HVAC equipment.
Product Overview
As low-GWP refrigerants like R454B become the new standard in residential and light commercial HVAC, having the correct TXV is critical for system reliability and efficiency. The S1-1TVM5A1 is purpose-built for R454B applications, ensuring proper superheat control and refrigerant flow regulation that matches the thermodynamic characteristics of this next-generation refrigerant.
Key Features
- Engineered specifically for R454B (low-GWP A2L refrigerant) systems
- 3/4″ Chatleff connection for secure, leak-resistant refrigerant line attachment
- Precise thermostatic expansion valve design for accurate superheat control
- OEM York replacement kit for compatible York/Johnson Controls equipment
- Helps maintain system efficiency and protects the compressor from liquid slugging
- Designed for straightforward field installation
Application
- Compatible with York residential and light commercial systems designed for R454B refrigerant
- Ideal for system upgrades, retrofits, or warranty-compliant repairs on applicable York equipment
- Chatleff connection type ensures compatibility with standard York linesets and coil connections
Why Choose the York S1-1TVM5A1 TXV Kit?
Using the correct OEM TXV kit is essential when working with next-generation refrigerants. R454B operates at different pressures and has unique thermodynamic properties compared to legacy refrigerants, making a properly matched TXV critical for system performance, efficiency, and longevity. The S1-1TVM5A1 takes the guesswork out of the equation, providing technicians with a drop-in OEM solution engineered to York’s exact specifications.
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