The York S1-025-28670-003 is an OEM auto reset limit switch designed to protect York heating systems from unsafe operating temperatures. Calibrated to open at 110°F and automatically reset at 90°F, this limit switch continuously monitors system temperature and interrupts the circuit when a high-temperature condition is detected — then restores normal operation once temperatures return to a safe level, without requiring manual intervention.
As a direct OEM replacement part, this limit switch ensures a precise fit and reliable performance in compatible York furnaces and air handlers, maintaining the safety and efficiency standards your equipment was built to deliver.
Key Features
- OEM York replacement limit switch — SKU S1-025-28670-003
- Auto reset operation: opens at 110°F, resets at 90°F
- Protects heating equipment from overheating and thermal damage
- Direct OEM replacement for compatible York furnaces and air handlers
- Ensures safe, reliable system operation without manual reset
Specifications
- Part Number: S1-025-28670-003
- Brand: York
- Type: Auto Reset Limit Switch
- Temperature Range: 90–110°F
- Reset Type: Automatic
Application
- Compatible with select York furnaces and heating systems
- Consult your equipment manual or a qualified HVAC technician to confirm compatibility before installation
