Description
Ensure the safety and longevity of your heating and HVAC equipment with the York S1-025-29041-002 Auto Limit Switch. This OEM-grade limit switch is engineered for precise temperature control — automatically shutting down the system when internal temperatures exceed safe thresholds. A vital safeguard for furnaces, air handlers, and commercial HVAC units.
Key Features
- Automatic Overheat Protection: Opens (switches off) at 150 °F and closes (resumes operation) at 120 °F, safeguarding your system against excessive heat.
- 3″ Insertion Design: Compact 3-inch insertion probe allows easy installation inside furnace plenums or air ducts without major modification.
- OEM-Quality Construction: Genuine part from York for dependable fit and performance in compatible HVAC units — ideal for replacements or system maintenance.
- Lightweight & Compact: At roughly 0.11 lb, the unit is easy to handle and install for HVAC technicians and maintenance professionals.
- Wide Compatibility: Commonly used in furnaces, air handlers, heat pumps, and other HVAC systems from York and compatible brands — a versatile safety upgrade or replacement part.






