cast iron radiator leaks Home › Forums › Archives › Old Bulletin Board Archives › cast iron radiator leaks This topic has 0 replies, 1 voice, and was last updated 24 years, 11 months ago by michael1957. Viewing 0 reply threads Author Posts 27 Oct 1999 at 12:04 am #284745 michael1957 Ive got a leak in a hot water cast iron radiator is a pinhole, suggestions to fix it please, thanks Author Posts Viewing 0 reply threads The forum ‘Old Bulletin Board Archives’ is closed to new topics and replies.