On Sunday, 14 July 2019 16:35:08 UTC+1, ARW wrote:
FFS just let the OP buy a new door bell (not just to you but also to the
other posters). It's a ****ed 40 years old door bell.

That's still quite new.

I've got one that's 50 years old.

And most of my phone bells are well into their seventh decade if not older.