Spirax-Sarco 55224 Main Valve Refrigerant making it an ideal OEM

making it an ideal OEM replacement controller for diverse HVACR units

streamlining the commissioning process for contractors

This unit is a direct replacement for OEM part number R06428D426 and legacy numbers like R03575C000

the PD425117 provides the reliability technicians demand to restore proper airflow and system sequencing without the need for mounting modifications

Spirax-Sarco 55224 Main Valve Refrigerant making it an ideal OEMThe Spirax Sarco 55224 is a 1 inch NPT cast iron main valve engineered for precision high capacity steam regulation in industrial environments. Built as the cornerstone of the Spirax Sarco 25 series, this pilot operated pressure regulator provides exceptional stability and dead end shutoff (ANSI Class IV) across varying upstream pressures. As a seasoned technician knows, the versatility of the 55224 main valve lies in its modularitysimply pair it with