York S1-025-27727-001 Limit Switch High Thermal Tolerance: Operates efficiently

High Thermal Tolerance: Operates efficiently in high-heat environments with a hot junction limit of up to 1500°F

This class 2 transformer is built with a versatile mounting configuration

Standard Compatibility: Designed specifically for Emerson Alco series indicators

Repeated tripping at 200°F usually indicates a broader system issue such as a dirty air filter

This industrial-grade fiberglass insulation tape is designed to withstand the thermal stresses common in furnace blower assemblies and air handlers

York S1-025-27727-001 Limit Switch High Thermal Tolerance: Operates efficientlyThe York S1 025 27727 001 is a critical HVAC replacement limit switch designed for precision thermal monitoring in residential and commercial climate control systems. This SPST auto reset limit switch operates within a tight 25F to 41F temperature range, ensuring the system maintains safe operating parameters during cooling and heating cycles. Engineered as a genuine York OEM furnace part, it is frequently utilized in single duct applications and