When it is past another repair.
There is a point where patching costs more than changing the part. New installation too: what was not there before and now you need it.
Call (951) 454-4986A tap that has already been repaired twice, a water line from the seventies, a toilet that has been sweating since the day it went in. There is a point where the part gets changed whole and you stop paying for the same visit every six months.
It is also the remodelling job: what gets opened in the wall gets closed with new pipe instead of the pipe that was already in there.
Had it repaired twice already?
Then the conversation is about replacement. Call him.