Take the mystery out of the mathematical calculations that are so critical for a successful career in plumbing with this one-of-a-kind resource for anyone working in the plumbing industry. DEWALT PLUMBING QUICK CHECK: EXTREME DUTY EDITION gathers the most commonly used mathematical formulas, simplifies them, and compiles them in this sturdy, durable, easy-to-reference guide. The step-by-step approach and practical, real-world examples convey important math concepts that will enhance code compliance and installation safety. Topics include the conversion of water measurements, sizing horizontal drains, sizing vent pipe, and more. The unique design of this book, coupled with its must-have content, makes this a valuable addition to any plumber's toolbox, ensuring they will be able to quickly and easily access the information they need, when they need it. Check out our app, DEWALT Mobile Pro(TM). This free app is a construction calculator with integrated reference materials and access to hundreds of additional calculations as add-ons. To learn more, visit dewalt.com/mobilepro.