Old Ariston stored-water heater

This old Ariston heater has been installed in my old bathroom at my Mum’s place for years. It is a very old model and it is still going strong after all these years. The only thing wrong with it is that the outlet pipe seems to have corroded but other than that, it still works fine. It is connected to a really old electrical cable and I think that cable needs to be changed. Things nowadays certainly are not built to last like the stuff of old, that is for sure.