resisting material fatigue from constant pressure modulation

ensuring a professional-grade fit for 5/8" diameter motor shafts

Secure the assembly using the provided 107194 screw and 23466 wrench to lock the limit in place

the entire component must be replaced after the root cause of the overheat is resolved

York S1-025-27747-009 Limit Switch resisting material fatigue from constantThe York S1 025 27747 009 Limit Switch is a critical OEM furnace safety control designed to maintain thermal integrity within high performance heating systems. Engineered with a 140F trip point, this manual reset limit switch serves as the primary safeguard against heat exchanger overheating and potential cracked cells. As a genuine Source 1 replacement part, it ensures factory standard calibration for York, Luxaire, and Coleman gas furnaces,