Description
The York S1-6432983 is a thermostatic expansion valve (TXV) engineered specifically for use with R-454B refrigerant, making it an ideal replacement or service component for modern, low-GWP HVAC systems. Designed to deliver precise refrigerant metering, this valve maintains optimal superheat levels across a wide range of operating conditions, helping maximize system efficiency and protect the compressor from liquid slugging.
Key Features
- Designed for R-454B (A2L low-GWP refrigerant) systems
- 7/8″ ODF inlet connection for easy copper line integration
- 1-3/8″ ODF outlet connection for proper downstream flow
- Provides accurate superheat control for consistent system performance
- Genuine York OEM replacement part — ensures proper fit and function
- Supports energy-efficient, environmentally responsible refrigerant management
Product Specifications
- SKU: S1-6432983
- Valve Type: Thermostatic Expansion Valve (TXV)
- Refrigerant: R-454B
- Inlet Connection: 7/8″ ODF
- Outlet Connection: 1-3/8″ ODF
- Brand: York
Application
This TXV is a genuine York OEM part intended for use in York and Johnson Controls residential and light commercial air conditioning and heat pump systems utilizing R-454B refrigerant. Proper TXV selection and installation is critical to system efficiency, reliability, and refrigerant charge integrity. Always verify compatibility with your specific equipment model before installation.
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