Description
York S1-1TVMBE1 Thermostatic Expansion Valve Kit Overview
The York S1-1TVMBE1 is a factory-specified Thermostatic Expansion Valve (TXV) kit engineered for R-410A refrigerant systems. Featuring a 3/4″ Chatleff connection — the industry-standard flare fitting designed exclusively for R-410A — this kit delivers precise refrigerant metering to maintain optimal evaporator performance and system efficiency.
Key Features
- Designed specifically for R-410A refrigerant systems
- 3/4″ Chatleff (flare-style) connection for secure, leak-resistant installation
- Thermostatic expansion valve provides accurate superheat control
- OEM York replacement kit ensures proper fit and compatibility
- Helps maintain peak system efficiency and protects the compressor from liquid slugging
- Kit format includes components needed for a complete service replacement
Application
This TXV kit is a direct OEM replacement for York residential and light commercial air conditioning and heat pump systems. It is ideal for HVAC technicians performing service, maintenance, or system upgrades where precise refrigerant flow control is required.
Specifications
- Brand: York
- Part Number / SKU: S1-1TVMBE1
- Refrigerant Type: R-410A
- Connection Size: 3/4″
- Connection Type: Chatleff (R-410A flare)
- Component Type: Thermostatic Expansion Valve (TXV) Kit







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