Chapter 28 Repairing DWV Systems ............. 441 Troubleshooting DWV Systems .............. 441 Chapter 29 Repairing Water Supply Systems ....................................... 451 Problems with Faucets and Valves ......... 451 Problems with Toilets ........................... 460 Problems with Water Supply Piping ........ 466 Problems with Water Heaters ................ 470 Chapter 30 Remodeling .................................... 475 Managing Remodeling Jobs.................. 475 Replacing Faucets and Fixtures ............. 478 Completing a Roughed-in Bathroom ...... 482 Relocating Fixtures .............................. 484 Adding New Fixtures ............................ 488 Section 4 Plumbing Services xiv Contents Copyright Goodheart-Willcox Co., Inc.