Description
The York S1-1TVMBG1 is a genuine OEM thermostatic expansion valve (TXV) kit engineered for use with R-410A refrigerant systems. Featuring a 3/4″ connection size and Chatleff-style fittings, this TXV kit is designed to deliver accurate and consistent refrigerant metering to the evaporator coil, optimizing system efficiency and protecting the compressor from liquid slugging.
Key Features
- Genuine York OEM replacement TXV kit for reliable, factory-spec performance
- Designed for use with R-410A refrigerant — compatible with modern high-efficiency systems
- 3/4″ valve size for proper flow capacity matching
- Chatleff-style connection for secure, leak-resistant refrigerant line attachment
- Precisely meters refrigerant flow to the evaporator coil for optimized heat transfer
- Helps maintain correct superheat levels, protecting system components
- Direct OEM replacement ensures proper fit and function in compatible York equipment
Product Details
- Brand: York
- SKU: S1-1TVMBG1
- Refrigerant Type: R-410A
- Connection Size: 3/4″
- Connection Type: Chatleff
- Component Type: Thermostatic Expansion Valve (TXV) Kit
Application
This TXV kit is intended as a direct OEM replacement for compatible York air conditioning and heat pump systems. The thermostatic expansion valve plays a critical role in the refrigeration cycle by automatically adjusting refrigerant flow in response to evaporator load changes, ensuring consistent superheat and peak system performance. Always verify compatibility with your specific York equipment model before installation.







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