“Auxiliary Boiler:
Maker: AALBORG
Type: MISSION (TM) OL model 18000
Ser. No: 24494 38875
SIPART PS I/P Positioner
Maker: Siemens
Order No: C73451-A430-D82
Version type: 6DR5020-0NG00-0AA0
Serial No: N1H2187504121
Current input IW: 4…20 mA
P=1.4…7 bar, For Auxiliary Boiler Fan Air Damper. (AALBORG)” SIEMENS SIEMENS.NA.NA