Background For Plumbing Equipment the Manufacturer Catalog shows the wrong list. This problem appears due to the catalog XML file where Database Filename was entered wrongly.
Steps to Accomplish
Step-1, Go to this location, (for our case we have used DataSet_NM) C:\ProgramData\Bentley\OpenBuildings CONNECT Edition\Configuration\Datasets\Dataset_NM\DataGroupCatalogs\Plumbing_Lib And open this with Notepad ++. Step-2, You will find that here the in the XML file Database Filename is associated with Vic Data Files.mdb instead of Vic Data Files_si.mdb. Step-3, Enter the corrected Database Filename, Then save the file. Then the correct Manufacturer Catalog list will be shown in OBD