All About Home - Plumbing Tips: Covers minor repairs including clogged drains, frozen pipes, and water heaters.
Better Homes and Gardens: Faucet Guide: "Check out the faucet" slide shows, and learn how to install and repair faucets.
Chilipepper: An illustrated explanation of how water heaters work along with information on repair and maintenance. Included is information about hot water circulating systems.
Find Plumbing: Forums for plumbing and heating help and how to troubleshoot small problems.
Fix a Toilet: Instructions for do-it-yourself toilet repair.
How To Build a Septic System: Step-by-step instructions including design, permits, tools, and construction details.
Kissler: Faucet repair instructions with diagrams and instructions for various types.
Love Plumbing: Plumber answers homeowner's queries on a wide range of service concerns.
MasterPlumber - Uniform Plumbing Code: Illustrated guide to the code includes section numbers.
Mother Earth News: Septic System Basics: Detailed article covers function, maintenance, and a list of resources.
Plumbing Forum - GardenWeb: Discussion of problems, solutions and projects.
Positive Plumbing: Plumbing advice forum.
Raymond Hardware: How to unplug household drains.
Rural Home Technology: Septic System Troubleshooting Guide: Explains how the system functions and provides a flowchart to assist in identifying problem and solution.
Stem Doctor: Information on repairs and discussion board.
theplumber.com: Plumbing, kitchen and bath advice for professionals and homeowners alike.
Toiletology 101: Lessons on repairing leaks and removing clogs.
Water Filtration: Generic water iron filter and water softener installation manual.