Description
The York S1-024-26099-000 is an OEM manual reset (M/R) limit switch engineered to protect furnaces and heating systems from dangerous overheating conditions. Designed as a direct replacement for compatible York equipment, this limit switch monitors supply-air or heat exchanger temperatures and interrupts the burner circuit when the set-point threshold is reached — requiring a manual reset before the system can resume normal operation, adding an extra layer of safety assurance.
Key Features
- 180°F trip temperature set point for precise high-limit protection
- Manual reset (M/R) operation — requires technician reset after trip event, preventing automatic restart under unsafe conditions
- OEM York replacement part — ensures proper fit and function in compatible York heating systems
- Interrupts burner circuit upon over-temperature condition to protect heat exchanger and system components
- Durable construction built to withstand the demanding thermal environment of a furnace cabinet
Product Specifications
- Part Number: S1-024-26099-000
- Brand: York
- Trip Temperature: 180°F
- Reset Type: Manual Reset (M/R)
- Component Type: High-Limit Switch
- Application: York furnaces and heating systems
Why Manual Reset Matters
Unlike automatic reset limit switches, a manual reset limit switch requires a qualified technician to physically reset the device after a trip event. This design ensures that the root cause of the overheating condition is identified and corrected before the system is returned to service — a critical safety feature for residential and light commercial heating applications.
Application
This limit switch is intended for use in York furnaces and heating equipment where the OEM specifies a 180°F manual reset high-limit control. Always verify compatibility with your specific York model before installation. Installation should be performed by a licensed HVAC technician in accordance with local codes and the equipment manufacturer’s instructions.
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