Photo Credits

Thank you to the following users for allowing licensing their photos under Creative Commons terms and conditions.

J. Botter -  Down the Drain

Horst Gutmann - Broken Pipe

Stephen Pierzchala- Plumbing FTW

Roger Mommaerts - Water Heater

Roger Mommaerts - Tankless Water Heater

David Blackwell - Water Down The Drain

Chris Potter/Stockmonkeys.com - 3D Question Mark

Barta V - Sewer Pipes

Daniel Oines - Toilet Seat