York S1-025-32607-000 Limit Switch Technicians typically check for a

Technicians typically check for a "Limit Switch Open" fault code

The Carrier LH33WZ518 Flame Sensor is a critical OEM replacement part designed for precise flame rectification in high-efficiency gas furnaces

or if the bimetal disc is visibly warped or heat-damaged

the 100208305 is the manufacturer-updated part number and is technically identical to the MSC2448

ensuring precise control of the startup sequence

York S1-025-32607-000 Limit Switch Technicians typically check for aThe York S1 025 32607 000 is a heavy duty furnace high limit switch engineered for precise thermal monitoring within the heat exchanger canopy. This automatic reset limit is calibrated with an opening threshold of 185F and a closing differential at 155F, ensuring the burner circuit is interrupted if internal temperatures exceed safe operating parameters. Featuring a 3 inch insert probe, this component provides accurate real time sensing within the