Safe water through plumbing code compliance
The IAPMO Backflow Prevention Institute® is committed to providing education, training and awareness to potential hazards to our water supply and resources.
The International Association of Plumbing and Mechanical Officials (IAPMO) Backflow Prevention Institute® (BPI) provides a higher level of training for all those involved within the backflow prevention industry. It is currently the premier training provider in the cross-connection control industry.
Our class offerings are continually expanded and updated, with training available nationwide and internationally through both open enrollment and private classes. We provide third-party certified training in backflow testing and repair, cross-connection control surveying, program administration, and fire sprinkler system backflow testing, and are a recognized provider of continuing education credits in many states and jurisdictions. With highly qualified instructors, industry-leading materials, and flexible scheduling, we deliver the training and certification professionals need—anytime and anywhere.
We’re excited to share that the Backflow Prevention Institute (BPI) class schedule has transitioned to a new platform: IAPMO Learn. This move is part of our ongoing effort to enhance your registration experience and streamline access to our expanding catalog of training opportunities.
In addition to registering for classes, you will now be able to view and manage your class credentials directly within your IAPMO Learn account.
| 1. | Create Account |
Create an account on IAPMO Learn if you haven’t already |
| 2. | Browse Catalog |
Browse the catalog to find the class you’re interested in |
| 3. | Register for Class |
Register directly through the platform |
Need Help? If you have any questions or run into any issues, please don’t hesitate to reach out to us at info@iapmobpi.org — we’re happy to help!
Thank you for your continued support of BPI, and we look forward to seeing you in an upcoming class!
This video is an overview of the redesigned learning management system.
Backflow Prevention Reference Manual - 4th Edition
Protecting potable water systems requires knowledge, precision, and the right resources. The Fourth Edition of this fully illustrated reference manual delivers comprehensive guidance on every aspect of backflow prevention and cross-connection control. From identifying and testing assemblies to understanding hazard levels and ensuring proper installation, it serves as both a practical field guide and an in-depth educational textbook. Whether you’re preparing for certification or strengthening your expertise in the industry, this updated edition provides the essential tools and knowledge professionals rely on. Learn more about everything included in this complete 480-page reference below.
Backflow Prevention Installation Mistakes That Still Persist in 2026. After traveling across the United States conducting cross-connection control training, performing surveys, and answering questions about problematic backflow prevention installations, one issue remains surprisingly common: failure to follow the adopted plumbing code.
Plumbing & Mechanical Chief Editor Nicole Krawcke interviews Sean Cleary, vice president of industry programs and Backflow Prevention Institute operations for IAPMO, about the importance of backflow prevention, how codes are influencing backflow preventers, why the industry needs more certified testers and more.
Listen to Lance MacNevin, Director of Engineering for PPI's Building & Construction Division, in our News segment; Sean Cleary, Vice President of Operations for IAPMO's Backflow Prevention Institute, in our Trends segment; and Trevor Martin and Jeremy Meyers, both of Local UA 400 out of Northeast Wisconsin.