Using a switch with a higher limit can lead to heat exchanger damage or hazardous operating conditions

040" wall thickness provide a reliable working pressure of 150 PSI

Built for consistent performance

Designed as a close-on-fall air pressure switch

0 Cv flow coefficient with equal percentage characteristics for stable temperature regulation in modulating loops

York S1-025-29084-700 Hot Surface Ignitor Els PW 17895 Using a switch with aThe York S1 025 29084 700 Hot Surface Ignitor is a critical OEM replacement component designed for high performance gas fired furnaces and industrial heating equipment. Engineered with a robust silicon carbide or silicon nitride core, this 120V HSI ensures rapid, reliable ignition by reaching peak temperatures within a 17 second warm up window. As a veteran grade furnace ignitor replacement, it eliminates the inefficiencies of traditional pilot