Description
York S1-025-46402-000 L235F Manual Reset Limit Switch Overview
The York S1-025-46402-000 is an OEM replacement L235F Manual Reset (M/R) Limit Switch designed to protect furnaces and heating systems from dangerous overheating conditions. When the system temperature exceeds the rated set point, this limit switch opens the circuit and shuts down the burner — and requires a manual reset before the system can resume normal operation, ensuring a technician inspects the root cause before restarting.
Key Features
- OEM York replacement part — engineered to exact factory specifications
- Manual reset (M/R) design requires technician intervention after a trip event, adding an extra layer of safety
- L235F designation indicates a 235°F trip temperature set point for high-temperature limit protection
- Protects heat exchangers, burners, and downstream components from thermal damage
- Direct drop-in replacement for compatible York furnace and air handler models
- Durable construction for reliable, long-service-life performance in residential and light commercial applications
Product Specifications
- SKU / Part Number: S1-025-46402-000
- Type: Manual Reset (M/R) Limit Switch
- Set Point: L235F (235°F)
- Brand: York (Johnson Controls)
- Application: Furnaces and heating systems
Why Choose an OEM York Limit Switch?
Using a genuine York replacement limit switch ensures compatibility, proper calibration, and compliance with the original equipment design. Aftermarket substitutes may not trip at the correct temperature, potentially voiding warranties or leaving your system unprotected. The S1-025-46402-000 delivers the peace of mind that comes with factory-matched performance.
Application
Ideal for HVAC technicians and contractors servicing York furnaces and heating equipment. Always verify compatibility with your specific model number before installation.
