Description
The York S1-129201 is a factory-specified Thermostatic Expansion Valve (TXV) engineered for precise refrigerant metering in compatible York residential and light-commercial cooling systems. Designed as a direct OEM replacement, this valve ensures optimal system efficiency, consistent superheat control, and long-term reliability.
Product Overview
Thermostatic expansion valves regulate refrigerant flow into the evaporator coil based on suction-line superheat, protecting the compressor from liquid slugging while maximizing heat-transfer efficiency. The York S1-129201 is sized and calibrated to factory specifications, making it the correct choice for systems that originally shipped with this valve.
Key Features
- OEM York replacement TXV for precise fit and function
- 1/2″ inlet connection for liquid-line hookup
- 7/8″ outlet connection for evaporator-coil inlet
- 1/4″ external equalizer port for accurate superheat sensing
- 5-foot capillary tube for flexible bulb placement and routing
- Maintains consistent superheat to protect compressor integrity
- Engineered to York OEM tolerances for drop-in installation
Connection Specifications
- Inlet Size: 1/2″
- Outlet Size: 7/8″
- Equalizer Port: 1/4″
- Capillary Tube Length: 5 Feet
Application
This TXV is intended for use in York-branded air conditioning and heat pump systems requiring a direct OEM valve replacement. Always verify compatibility with the original equipment model number before installation. Proper installation by a licensed HVAC technician is recommended to ensure correct superheat adjustment and system performance.
