What is Backflow Prevention ?
Our Site Info
This site is dedicated to providing free information for individuals seeking certification in Backflow Assembly Testing or just wanting more information on backflow preventers, how they work, etc.
This site is sponsored by Kruger Professional Resources, Inc. ( kpr.biz ), Kruger Instruments ( krugerinstruments.com ) and Kruger Training Academy ( krugerstraining.academy ). Check out the Kruger Difference if choosing education or testing products.
This site is also affiliated with our YouTube Channel
If you wanted to become a sponsor, have our YouTube channel do a review of your product, or just have general questions, definitely reach out at whatisbackflow@gmail.com
Where do we get our Information ?
The goal of this page is to provide free information for tester candidates and people who wanted to learn about backflow prevention. We excerpt materials from standardized textbook materials and link to websites for regulators, manufacturers, and other organizations that can provide further information. Any excerpted materials are clearly quoted and a link to where you can purchase the material is always presented. No intent to infringe on copyrights is intended. No implication of a formal affiliation with any company or organization that is referenced is intended. All sponsored organizations will have their information shown in a preferential way to encourage a reader to purchase their materials.
SiteMap
See below list of pages on our website. The directory at the top is disabled, just click the link below. As of October 13, 2025, the website is still under constructions and some of the pages may be incomplete or non existent at this time, feel free to check later and possibly more information is available.
What is an RP ( Reduced Pressure Principle Assembly ) ?
What is a DCV ( Double Check Valve Assembly ) ?
What is a PVB ( Pressure Vacuum Breaker Assembly ) ?
What is an SVB ( Spill Resistant Vacuum Breaker Assembly ) ?