“Sipart PS2 Siemens positioner
Maker: Siemens
type: SIPART PS2 6DR5310-0NG00-0AB0
SW: 5.02.01
Piezo valve unit single action, C73451-A430-B30
ps 101 16-A-AR
made in france
Doc ID.: Instruction manual for Aalborg boiler” SIEMENS SIEMENS.