Description
Keep your HVAC or furnace system safe and reliable with this genuine OEM auto-limit switch from York. The S1-025-41321-000 is engineered to monitor internal temperature and automatically manage system operation — helping prevent overheating and protect your equipment from thermal stress or damage. It’s designed for straightforward installation in compatible York systems and is a trusted choice for maintenance, repair, or replacement.
Key Features
- Automatic Temperature Regulation (110-150 °F) – Automatically monitors temperature and triggers limit control within a safe operating range of 110 °F (close) to 150 °F (open) to prevent overheating.
- OEM-Quality & Compatibility – Genuine part from York, ensuring proper fit and reliable performance in systems designed for this model.
- Durable Construction for HVAC Environments – Built to withstand regular furnace or HVAC operational conditions, ensuring long service life and dependable performance under thermal stress.
- Automatic Reset Functionality – Provides auto-reset behavior (after temperature returns to safe range), which reduces downtime and eliminates the need for manual resets.
- Simple Replacement & Installation – Compact design and standard mounting make it easy to install as a replacement limit switch in compatible York systems — a good option for maintenance and repair jobs.
- Safety-Critical Component for HVAC Systems – Helps safeguard furnace or HVAC equipment from overheating-related damage, extending the life of your system and improving operational safety.






