This model is rated for a 300 PSI max working pressure

ensuring precise flame rectification and timing

OEM Compatibility: Designed as a direct drop-in for York S1-02623232712 and cross-referenced with part 208P91 for seamless field installation

Terminal Block Connections: Facilitates faster

requiring no minimum differential pressure

Functional Devices RIBU1SM-250 Switch 322838-752 This model is rated forThe Functional Devices RIBU1SM 250 is a specialized enclosed pilot relay featuring a Carling rocker switch for manual override control. This SPDT relay is engineered for industrial and commercial HVACR applications where local ON AUTO OFF manual override is required for troubleshooting or maintenance. The unit is housed in a NEMA 1 rated enclosure, pre wired with 16 inch leads to streamline field installation into any standard 1 2 inch conduit