Versatile Refrigerant Support: Fully compatible with modern oils (POE/PAG) and a wide range of refrigerants including R404A and R407C

utilizing a mid-point ground configuration

Its 1 5/8-inch shank length and integrated single-use high-limit switch at 200°F provide the exact technical specs required for maintaining system integrity and preventing hazardous overheating conditions in gas-fired domestic water heaters

this device utilizes a 48-inch capillary tube to provide precise thermal feedback to the gas control system

York S1-2845-3181 Limit Switch 326058-755 Versatile Refrigerant Support: Fully compatibleThe York S1 2845 3181 Limit Switch is a critical safety component designed for precise thermal monitoring within York furnace and air handling units. This auto reset limit switch features a 170 degree Fahrenheit opening set point and a 140 degree Fahrenheit closing threshold, providing a fixed 30 degree differential essential for preventing heat exchanger overheating. Engineered by Johnson Controls, the S1 2845 3181 serves as a direct OEM replacement