Description
The York S1-022-12990-000 is a factory-specified thermostatic expansion valve (TXV) engineered for use with R410A refrigerant systems at a 4-ton capacity. Designed as a direct OEM replacement for compatible York equipment, this TXV delivers precise refrigerant metering to maintain optimal evaporator performance, protect the compressor from liquid slugging, and maximize overall system efficiency.
Key Features
- OEM York replacement TXV for accurate, drop-in fitment
- Rated for 4-ton system capacity
- Compatible with R410A refrigerant
- Chatleff x Chatleff (Chat x Chat) connection style for secure, leak-free installation
- Thermostatic control maintains proper superheat across varying load conditions
- Helps protect the compressor by preventing liquid refrigerant carry-over
- Supports peak system efficiency and consistent cooling performance
Application
This TXV is intended as a genuine OEM-specification replacement part for York residential and light commercial split-system air conditioning and heat pump equipment using R410A refrigerant. Always verify compatibility with your specific unit model before installation.
Why Choose an OEM TXV?
Using a manufacturer-specified expansion valve ensures the correct flow rating, superheat setting, and connection geometry for your system. An improperly matched TXV can result in reduced efficiency, compressor damage, or premature system failure. The York S1-022-12990-000 eliminates guesswork and keeps your equipment running as designed.
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