The York S1-8866-3281 is a genuine OEM automatic reset limit switch engineered to protect York furnaces and heating systems from unsafe operating temperatures. With a calibrated sensing range of 95°F to 130°F, this limit switch monitors heat exchanger temperatures and automatically interrupts the burner circuit when temperatures exceed the safe threshold — then resets automatically once temperatures return to normal operating levels.
Key Features
- Genuine York OEM replacement part — ensures proper fit and reliable performance
- Automatic (AUTO) reset operation — restores normal function once temperature drops back into range
- Operating temperature range: 95°F to 130°F
- Protects furnace heat exchanger and components from overheating damage
- Direct OEM replacement for compatible York heating systems
- Designed for long-term durability in demanding HVAC applications
Product Specifications
- Brand: York
- Part Number: S1-8866-3281
- Switch Type: Automatic (AUTO) Reset Limit Switch
- Temperature Range: 95°F – 130°F
- Application: York furnaces and heating equipment
Application
This limit switch is a critical safety component in York furnace systems. It is designed to shut down burner operation if the air temperature around the heat exchanger rises above the rated limit, preventing equipment damage and potential safety hazards. The automatic reset feature means the system can resume normal operation without manual intervention once safe temperatures are restored. Always verify compatibility with your specific York model before installation.
