York S1-024-26098-000 Hot Surface Ignitor Els PW 17895 or the control board displaying

or the control board displaying a pressure switch stuck open or stuck closed error code

Code Compliance: Supports adherence to NFPA 90A requirements for smoke detection in large commercial HVAC systems

featuring the same pressure setpoints and terminal layout as the discontinued B1370210

Replacing a worn or drifting R20293412 switch is a primary fix

While the operating max inlet is 1/2 PSI

York S1-024-26098-000 Hot Surface Ignitor Els PW 17895 or the control board displayingThe York S1 024 26098 000 Hot Surface Ignitor is a high performance silicon carbide furnace igniter engineered for precision in residential and light commercial forced air systems. As a critical OEM replacement part, it is designed to replace aging or cracked ignitors, restoring the direct spark ignition sequence essential for safe fuel combustion. This component operates by drawing voltage through a lead wire to heat the carbide element to