Description
York S1-025-31990-000 Bolt-On R-22 5-Ton Thermostatic Expansion Valve
The York S1-025-31990-000 is a factory-engineered Bolt-On Thermostatic Expansion Valve (TXV) designed specifically for R-22 refrigerant systems rated at 5 tons of cooling capacity. Featuring a 30-inch capillary tube, this OEM-grade valve delivers accurate and responsive refrigerant metering to maintain optimal evaporator performance and system efficiency.
Key Features
- Bolt-On design for straightforward installation and secure mounting
- Engineered for R-22 refrigerant systems
- Rated for 5-ton (60,000 BTU/hr) cooling capacity
- 30-inch capillary tube for precise bulb sensing and temperature response
- OEM York replacement part — ensures compatibility with York equipment
- Maintains consistent superheat control for improved system reliability
- Helps protect the compressor from liquid slugging and overheating
Product Specifications
- SKU: S1-025-31990-000
- Brand: York
- Refrigerant Type: R-22
- System Capacity: 5 Ton
- Capillary Length: 30 inches
- Valve Type: Thermostatic Expansion Valve (TXV)
- Mounting Style: Bolt-On
Application
This TXV is an ideal direct replacement for York residential and light commercial air conditioning systems using R-22 refrigerant. The bolt-on configuration simplifies field replacement, reducing labor time and ensuring a precise fit. Proper TXV operation is critical to maintaining correct superheat levels, protecting compressor longevity, and maximizing system energy efficiency.









