Integrated 2xSPDT auxiliary switches allow for seamless position verification and sequence signaling within complex BAS architectures

Precision Pressure Regulation: Maintains consistent gas manifold pressure to ensure complete combustion and prevent soot buildup

this OEM replacement part (replaces legacy part 6903769) integrates seamlessly with existing control boards and pressure tubing

the 3-inch butterfly valve is designed to mount between standard ANSI Class 125/150 flanges

quick-break mechanism for consistent performance under heavy motor loads

United Electric J21K-150 Pressure Switch 322056-301 Integrated 2xSPDT auxiliary switches allowThe United Electric J21K 150 is a rugged, NEMA 4 differential pressure switch engineered for precision monitoring in demanding HVACR and industrial process environments. This unit features an adjustable differential pressure range of 0 to 40 PSID, utilizing a high sensitivity opposing metal bellows design to detect pressure variances between two sources. The SPDT snap action switch output provides versatile control logic, rated for 15A at 125 250 480