Illinois plumbing code handbook Home › Forums › Archives › Old Bulletin Board Archives › Illinois plumbing code handbook This topic has 0 replies, 1 voice, and was last updated 25 years, 2 months ago by John McKenna. Viewing 0 reply threads Author Posts 17 Feb 1999 at 7:16 am #280425 John McKenna Where can I buy a Illinois plumbing code handbook? Author Posts Viewing 0 reply threads The forum ‘Old Bulletin Board Archives’ is closed to new topics and replies.