2021 National Standard Plumbing Code Illustrated

2021 National Standard Plumbing Code Illustrated provides the latest information about common materials, fixtures, devices and equipment systems used or installed in plumbing systems. New to this edition: (i) Appendix G, intended to promote safe and efficient water use in both residential and non-residential buildings, has been updated with revised excerpts from the 2017 Water Efficiency and Sanitation Standard (WESStand); (ii) all new Appendix L was added to address safe and reliable plumbing system requirements for both permanent single tiny houses and tiny house communities.