On Mar 24, 7:10*pm, "New & Improved - N/F John"
wrote:
I just drained a radiator to eliminate banging, but it didn't work as well
as I hoped. *I also removed the valve and put some teflon around the stem,
because it leaked I see from a stain.

There was another radiator on this extension on the floor below, but it was
removed years ago. *I haven't checked the valve. *It's now inside a small
cabinet. *I have to move it.

Could the pipe be clogged? *The pipe system is undoubtably 70 years old.
Any thoughts?

John

They bang from water slamming into the incoming steam, try shimming
up both ends of the radiator to raise the pipe that connects it, but
even better if you shim the side away from the supply pipe even higher
so the radiator itself is pitched to drain.