York S1-025-22273-002 Limit Switch Simplified Installation: The valve neck

Simplified Installation: The valve neck extension design allows for easier insulation wrapping and better access to manual overrides in hydronic control systems

Can this be used for bi-flow applications

Enhanced System Control: Includes a positive-off switch for definitive system shutdown and adjustable heat anticipation for precise caloric discharge timing

and Daikin gas furnaces and air handlers

York S1-025-22273-002 Limit Switch Simplified Installation: The valve neckThe York S1 025 22273 002 Limit Switch is a critical fixed temperature safety control engineered for York, Luxaire, and Coleman furnace assemblies. This automatic reset limit switch features a 140F cut out and a 100F cut in differential, ensuring the heat exchanger does not exceed safe operating thermal limits. As a genuine OEM York furnace part, it provides the precise calibration required for proper high limit protection, preventing system cycling