Description
York S1-025-27723-001 60–70°F AUTO Limit Switch Overview
The York S1-025-27723-001 is an OEM replacement AUTO limit switch designed to protect furnaces from dangerous overheating conditions. With a differential temperature range of 60–70°F, this limit switch automatically resets once safe operating temperatures are restored, making it a reliable, low-maintenance safety component for residential and light commercial heating systems.
Key Features
- OEM York replacement part — ensures proper fit and function
- 60–70°F differential temperature range for precise overheat protection
- AUTO reset operation — automatically restores furnace function once temperatures normalize
- Protects heat exchangers, blower assemblies, and other furnace components from thermal damage
- Designed for long-term reliability in demanding heating environments
- Direct drop-in replacement for compatible York furnace models
How It Works
The limit switch continuously monitors the temperature inside the furnace plenum or heat exchanger area. If temperatures rise beyond the set point, the switch opens the circuit, shutting down the burner to prevent damage or fire hazard. With AUTO reset functionality, the switch automatically closes and restores normal operation once temperatures fall back within the safe range — eliminating the need for manual intervention.
Application
- Compatible with select York brand furnaces requiring a 60–70°F AUTO limit switch
- Ideal for HVAC technicians performing OEM-spec service and replacement
- Suitable for residential and light commercial heating applications
Why Choose OEM York Parts?
Using genuine York OEM replacement components like the S1-025-27723-001 ensures your system operates within manufacturer specifications, preserves equipment warranties, and delivers the dependable safety performance your customers expect. Always verify compatibility with the specific York furnace model before installation.
