Pipe system type change using dynamo

Hello Dynamos,
I am trying to change my pipe system type from “M5232_Waste water drain” to “WLG_M-Drainage Soil & Vent” and I was able to filter out the pipe system I need to change but not able to change them to the system I want, Please see my script shot here!!

Hello @vpradeep9GHGL and welcome…try as here and see if it could work

and feed in a pipingsystem type as value

in older version its element types instead of element class

Hey @sovitek thank you so much

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