and B1368034S without housing modifications

the 'C' suffix typically denotes bulk packaging or specific regional distribution channels but retains identical technical specifications

the 17122000051897 is the current factory-authorized replacement for the legacy 17122000018581 control board

reducing cycling and equipment wear

IP67 Protection: Fully sealed against dust and immersion

Siemens Building Technology 599-03331 Service Kit 322838-753 and B1368034S without housing modificationsMaintain peak performance of your commercial HVAC system with the Siemens 599 03331 Service Kit. This professional grade rebuild and repack kit is specifically engineered for Flowrite 599 Series 3 4" normally closed (N C) 2 way globe valves. Designed for durability in terminal unit applications, this kit features stainless steel trim components including the stem and plug assembly, ensuring superior resistance to corrosion and wear in high demand