In this video, Shannon shows you how to pressure test plumbing drain and supply lines for leaks using air. Amazon affiliate links for tools: USA: https://amzn.to/4cEyvEW Canada: https://amzn.to/3XJuATd If you want to help support Shannon to produce more videos like this, visit https://www.house-improvements.com/donate If you have questions about your home improvement projects, stop by the forum on our website, where Shannon will answer your questions in detail for free. Website: https://www.house-improvements.com Facebook: https://www.facebook.com/OfficialHouseImprovements/ Twitter: https://twitter.com/House_Improve Chapters: 00:00 Intro and drain line pressure test 09:50 Supply water line pressure test Video edited by @PrairiePlantGirl Video © 2025 SKS Media. Videos produced by SKS Media (House-Improvements.com) are provided for informational purposes only. The information contained in the videos is intended to give general guidance to simplify DIY (do it yourself) projects. Because tools, products, materials, equipment, techniques, building codes and local regulations are constantly changing, SKS Media cannot and does not assume any responsibility or liability for the accuracy of the information contained therein. Further, SKS Media will not accept any claim for liability related to, but not limited to, omissions, errors, injury, damage or the outcome of any project. It is the responsibility of the viewer to ensure compliance with all applicable laws, rules, codes and regulations for a project. The viewer must always take proper safety precautions and exercise caution when taking on any project. If there are any questions or doubt in regards to the element of a project, please consult with a licensed professional. SKS Media conducts all matters in accordance with the laws of Saskatchewan, Canada. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.