Where can find element type

1

what are the different element types?
My intention to retrieve all pipe systems. So fare my code is as below. Now i don’t know what element type need to apply after Ofclass

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2

Hi @shibujoseukken,

You missed ToElements()

import clr
clr.AddReference('RevitServices')
from RevitServices.Persistence import DocumentManager
doc = DocumentManager.Instance.CurrentDBDocument

clr.AddReference('RevitNodes')
import Revit
clr.ImportExtensions(Revit.Elements)

clr.AddReference('RevitAPI')
from Autodesk.Revit.DB import *
from Autodesk.Revit.DB.Plumbing import *

pipeType = FilteredElementCollector(doc).OfClass(PipeType).ToElements()

OUT = pipeType

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EDIT : To retrieve the Piping Systems, look at this previous post :