Water Hammer Isn't Normal!
Folks get used to hearing it. "It's steam," they say. "It's supposed to be noisy."
No it's not.
A proper steam system is as quiet as a hot water system. You can make the water hammer go away- once you understand what causes it. Things don't "just happen." There is always a cause. Find it.
really didn't expect a book about steam heating maintenance to hit me weirdly hard, and yet, here we are