Description
The York S1-025-54126-000 is an OEM A2L refrigerant sensor designed for use in York HVAC systems that utilize next-generation A2L low-GWP refrigerants. Featuring a generous 96-inch (8-foot) lead wire, this sensor provides the installation flexibility needed to reach control boards and monitoring modules in a wide variety of equipment configurations.
Why A2L Refrigerant Detection Matters
A2L refrigerants — including R-32, R-452B, R-454B, and R-410A successors — are mildly flammable, making reliable leak detection a critical safety requirement. This York OEM sensor is engineered specifically to detect A2L refrigerant concentrations and trigger appropriate system responses, helping protect occupants, equipment, and property in compliance with current safety standards.
Key Features
- OEM York replacement sensor — ensures precise compatibility with supported York equipment
- Designed for A2L (mildly flammable) refrigerant detection
- 96-inch (8-foot) lead wire for flexible routing and installation
- Supports safe system shutdown or alarm response upon refrigerant leak detection
- Built to York’s quality and reliability standards
Application
- York residential and light commercial HVAC systems using A2L refrigerants
- Replacement of failed or end-of-life OEM refrigerant sensors
- New installations requiring A2L leak detection compliance
Specifications
- SKU / Part Number: S1-025-54126-000
- Brand: York
- Sensor Type: A2L Refrigerant Leak Sensor
- Lead Wire Length: 96 inches (8 feet)
- Application: A2L refrigerant systems
Order the York S1-025-54126-000 from Jackson Systems for fast shipping and expert HVAC support.







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