Posted by jtown on February 07, 2000 at 13:02:21:
In Reply to: Hi pitched headache creating whistle out of release valve posted by Dan on February 07, 2000 at 10:28:06:
On one-pipe steam radiators there is an air vent that should close tightly once they get hot. The owner/super should replace the defective ones if they can not be disassembled and cleaned. The pressure should be kept to a minimum also.