Principal Changes to the California Plumbing Code, 2007 Edition makes it easy to identify and understand the important code changes in the 2007 California Plumbing Code, utilizing text and illustration that helps enhance the reader's understanding. The book provides in-depth analysis of the changes, and is an invaluable reference tool for plumbing and mechanical officials, fire officials, plans examiners, inspectors, design professionals, contractors and others in the construction industry. 106pp.