A modification to water supply risers (Section 417.2) has been made to the 2009 International Plumbing Code (IPC). The modification provides assurance that the shower arm receiver fitting will be properly anchored. This will avoid connection failures caused by installation stress of the shower arm.

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(The above information is excerpted from the Significant Changes to the 2009 International Codes series.)

The Significant Changes to the 2009 International Codes series has been developed by the International Code Council and published by Delmar, Cengage Learning to accommodate the transition from the 2006 to the 2009 editions of the International Codes.

Valuable resources for anyone using the International Codes, each book offers a comprehensive yet practical analysis of the critical changes made between the 2006 and 2009 editions of the codes with hundreds of photos, illustrations and tables. Changes are identified then followed by in-depth discussion of how the change affects real-world application. Coverage reflects provisions with special significance, including new and innovative design ideas and technologies, modern materials and methods of construction, and current approaches to safety and stability. Authored by ICC code experts, these useful tools are "must-have" guides to the many important changes in the 2009 International Codes.