Description
The York S1-022-08989-000 is a genuine OEM Thermostatic Expansion Valve (TXV) with integrated hot gas bypass, designed for precise refrigerant flow control in York HVAC systems. Featuring a 5/8″ ODF connection, this valve is engineered to maintain optimal system performance by regulating refrigerant flow to the evaporator coil while the hot gas bypass function prevents coil freeze-up and compressor short-cycling during low-load conditions.
Key Features
- Genuine York OEM replacement part — ensures compatibility and reliable performance
- Thermostatic Expansion Valve (TXV) with integrated hot gas bypass function
- 5/8″ ODF connection for straightforward installation
- Prevents evaporator coil freeze-up during low-load operation
- Reduces compressor short-cycling, extending equipment service life
- Maintains consistent suction pressure for stable system efficiency
- Engineered for use in York commercial and residential HVAC applications
Product Details
- Brand: York
- SKU / Part Number: S1-022-08989-000
- Valve Type: TXV with Hot Gas Bypass
- Connection Size: 5/8″ ODF
Why Choose a Genuine York OEM Part?
Using a genuine York replacement TXV ensures the valve is matched to the exact specifications of your York equipment. OEM parts maintain factory performance standards, protect system warranties, and reduce the risk of premature failure associated with aftermarket alternatives. The hot gas bypass feature is especially critical in variable-load applications, where it stabilizes evaporator operation and protects the compressor from damage caused by liquid slugging or low-load cycling.







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