Description
The York S1-025-51765-000 is a factory-specified Thermostatic Expansion Valve (TXV) engineered for precise refrigerant metering and optimal system efficiency in York HVAC equipment. Featuring 3/8″ x 3/8″ ODF (Outside Diameter Flare) connections and a 97.3# capacity rating, this valve delivers consistent superheat control to protect the compressor and maximize system performance.
As a genuine York OEM replacement part, the S1-025-51765-000 ensures a direct, code-compliant fit for compatible York systems, eliminating guesswork and reducing installation time. The TXV automatically modulates refrigerant flow in response to load changes, maintaining the ideal evaporator superheat across a wide range of operating conditions.
Key Features
- Genuine York OEM thermostatic expansion valve
- 3/8″ x 3/8″ ODF inlet and outlet connections
- 97.3# capacity/charge rating
- Automatic superheat regulation for compressor protection
- Direct OEM replacement for compatible York systems
- Engineered for consistent refrigerant metering under variable load conditions
Applications
- York residential and light commercial HVAC systems
- Split-system air conditioners and heat pumps requiring OEM TXV replacement
- Systems requiring precise refrigerant flow control and superheat management
Specifications
- Part Number: S1-025-51765-000
- Valve Type: Thermostatic Expansion Valve (TXV)
- Connection Size: 3/8″ x 3/8″ ODF
- Capacity Rating: 97.3#
- Brand: York (OEM)







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