Description
The York S1-025-37344-000 is an OEM auto-reset (AUTO) limit switch designed to protect York heating systems from dangerous overheating conditions. Calibrated to open at 215°F and automatically reset at 185°F, this limit switch continuously monitors heat exchanger temperatures and interrupts the burner circuit whenever temperatures exceed safe operating thresholds — then restores normal operation once temperatures return to the safe range without requiring manual intervention.
As a direct York replacement part, this limit switch ensures precise compatibility and reliable performance in York furnaces and air handlers. Its auto-reset functionality minimizes system downtime and service calls, making it an ideal choice for both residential and light-commercial HVAC applications.
Key Features
- Auto-reset (AUTO) operation — automatically restores function once safe temperature is reached
- Open temperature: 215°F
- Reset temperature: 185°F
- OEM York replacement part for direct, drop-in compatibility
- Protects heat exchangers and furnace components from thermal damage
- Interrupts burner circuit on high-temperature fault for added safety
- Suitable for residential and light-commercial York heating systems
Specifications
- SKU: S1-025-37344-000
- Brand: York
- Type: Auto-Reset Limit Switch
- Open (Trip) Temperature: 215°F
- Reset Temperature: 185°F
- Operation: Automatic Reset
Application
- York furnaces and heating systems requiring OEM limit switch replacement
- Residential and light-commercial HVAC installations
