Description
The York S1-091033 is an OEM thermostatic expansion valve (TXV) engineered specifically for York F/J series HVAC equipment. Featuring a 3/8″ x 3/8″ ODF (Outside Diameter Flare/Sweat) inlet and outlet configuration, this NXT-series valve delivers precise refrigerant metering to maintain optimal system efficiency and protect the compressor from liquid slugging.
Key Features
- OEM York replacement TXV — direct-fit for F/J series equipment
- 3/8″ x 3/8″ ODF connections for straightforward field installation
- NXT series design for reliable, consistent refrigerant flow regulation
- Maintains proper superheat levels to maximize system performance
- Helps protect the compressor by preventing liquid refrigerant floodback
- Genuine York OEM part for assured compatibility and longevity
Application
Designed as a direct replacement for York F/J series residential and light commercial air conditioning and heat pump systems. Always verify your equipment’s model and serial number against York’s parts documentation before installation to confirm fitment.
Installation Notes
- Use proper refrigeration brazing or flare techniques on ODF connections
- Ensure system is recovered and evacuated before replacing the TXV
- Verify and adjust superheat setting after installation per York service guidelines
- Consult the equipment service manual for torque specifications and refrigerant charge requirements
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