Created in partnership with the Plumbing-Heating-Cooling Contractors National Association Educational Foundation (PHCC) and designed for your fourth-year of plumbing apprenticeship, PLUMBING 401, Second Edition, uses a clear, reader-friendly writing style to help you gain a thorough understanding of advanced plumbing systems. Coverage spans residential, commercial, industrial, and institutional settings and includes important topics such as service and repair, blueprint reading, installation practices, heating systems, and related science and plumbing codes (both International and Uniform). Highly practical in its approach, this series breaks down complex plumbing applications into easy-to-understand principles while introducing you to a wide variety of plumbing scenarios using engaging text and full-color illustrations. In addition to abundant examples illustrating real-world solutions to common plumbing problems, the text features a strong emphasis on safety and the latest plumbing technology. Equally valuable for both apprentice and licensed plumbers, this trusted guidebook is an ideal resource to prepare you for career success. Check out our free app DEWALT Mobile Pro�, a construction calculator with integrated reference materials and access to hundreds of additional calculations as add-ons. To learn more, visit dewalt.com/mobilepro.