Description
The York S1-4190 is a factory-engineered thermostatic expansion valve (TXV) designed for R22 refrigerant systems rated from 2 to 3.5 tons. Built as a non-bleed type valve, it prevents refrigerant migration during the off cycle, protecting the compressor and maintaining system efficiency. This is a genuine York OEM replacement part, ensuring a precise fit and reliable performance in compatible York and Johnson Controls residential and light-commercial cooling equipment.
Key Features
- Genuine York OEM thermostatic expansion valve (TXV)
- Compatible with R22 refrigerant systems
- Designed for 2 to 3.5 ton cooling capacity range
- Non-bleed design prevents refrigerant migration during the off cycle
- Provides precise refrigerant metering for optimized system efficiency
- Helps protect the compressor from liquid slugging
- Direct OEM replacement for compatible York equipment
Applications
- York residential and light-commercial air conditioning systems
- R22 split-system and package unit applications
- Systems requiring 2 to 3.5 ton TXV replacement
Specifications
- Brand: York
- Part Number: S1-4190
- Refrigerant Type: R22
- Capacity Range: 2 – 3.5 Tons
- Valve Type: Thermostatic Expansion Valve (TXV)
- Bleed Type: Non-Bleed







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