shifting to 1/4" ID or 1/2" ID tubing is recommended to maintain signal accuracy

supplemental weatherproofing may be required according to local mechanical codes

Manufactured from 1435 alloy and meeting ASTMB Standard #483

providing a versatile solution for various system retrofits

Is this spring compatible with 210D or 210E models

York S1-025-32693-000 Limit Switch shifting to 1/4" ID orThe York S1 025 32693 000 Limit Switch is a critical high temperature safety component designed for York residential furnaces and HVAC systems. As an OEM replacement part, it ensures precise thermal monitoring within the heat exchanger assembly. This specific automatic reset limit switch is calibrated to open at 260F (260Op), effectively breaking the circuit to prevent overheating, and automatically closes at 230F (230Cl) once temperatures return to a