This regulator is strictly rated for 2 PSI maximum inlet pressure

Is the S1-024-40906-000 compatible with older York units

including necessary wiring changes and updated components for a seamless swap

It features 1/8" NPT connections and is engineered for high-cycle reliability in furnace and blower motor circuits

The Reznor 13685 is a high-performance 1 HP blower motor engineered specifically for technical compatibility with Reznor unit heaters and HVAC systems

York S1-025-41219-000 Spark Ignitor 326070-701 This regulator is strictly ratedThe York S1 025 41219 000 Spark Ignitor is a critical OEM replacement part designed for precision pilot ignition in residential and commercial gas fired equipment. Engineered as a pilot spark ignitor, this component facilitates reliable furnace ignition by delivering a high intensity arc across the electrode gap, ensuring consistent combustion in HVAC replacement applications. This specific assembly is a direct replacement for various York, Luxaire,