York S1-025-29043-000 Hot Surface Ignitor The bimetal disc design ensures

The bimetal disc design ensures precise temperature sensing and long-term durability under high-cycle conditions

25-inch diameter and a 1

making it suitable for most standard controller I/O

Common Questions How do I troubleshoot a tripped Copeland motor protector

York S1-025-29043-000 Hot Surface Ignitor The bimetal disc design ensuresThe York S1 025 29043 000 Hot Surface Ignitor is a high performance 120V heating element engineered specifically for residential gas fired furnaces under the York, Luxaire, and Coleman brands. Constructed from premium silicon nitride, this direct replacement ignitor offers superior thermal shock resistance and physical durability compared to legacy silicon carbide components. In a standard furnace sequence of operation, this HSI reaches ignition