York S1-025-31927-000 Limit Switch This sensor is a genuine

This sensor is a genuine Lennox HVAC part but is also used in equipment from Allied

Direct Cross-Reference: Replaces part number S1-025-26392-003 and equivalent 312980 and A1844 controls

Always verify your local elevation requirements against the Modine technical bulletin before installation

the internal bimetal disc has likely failed and requires immediate replacement

Doing so creates serious risks of electrical shock and carbon monoxide exposure

York S1-025-31927-000 Limit Switch This sensor is a genuineThe York S1 025 31927 000 Auto Limit Switch is a high precision OEM furnace safety control designed to monitor and regulate internal heat exchanger temperatures. This SPST temperature control features a 5 8 inch footprint and is engineered to protect HVAC equipment by opening the circuit at 240F and automatically resetting (closing) when the temperature drops to 155F. Built for heavy duty York gas furnace and heat pump applications, such as the FRHS