Backflow Preventer Basics: General Knowledge, Repairs, and Testing

by JJ Stoeckel | TLE Seminar

CEUs/PDHs: IA 0.5,QWEL 1*

Seminar Dates: November 13, 2025 11:30 AM

Seminar Cost: $45.00 Register Now

Seminar Description:
We'll overview what backflow is and why backflow preventers are needed in irrigation to keep the tap water safe.



We'll briefly discuss the types of backflow preventers; proper installation of backflow preventers and anti siphon valves. Then we will talk about common backflow repairs and troubleshooting. Finally we will discuss when backflows need to be tested, and by whom.

Learning Objectives:
1. Understand What Backflow Is.
2. Backflow Preventer Types & Proper Installation.
3. Common Repairs/Troubleshooting.

JJ Stoeckel

JJ Stokes is a Certified Backflow Tester/Cross Connection Control Specialist and CEO of Backflow Test Pros. Growing up in the landscaping industry under the guidance of a father who was an Irrigation Specialist, he developed a passion for water at an early age.

This strong foundation led to the start of his first service company at the age of 21, Orange County Irrigation Service. There he honed his skills in water hydraulics, plumbing, and system installation. It was during this time that JJ discovered the critical need for backflow prevention, sparking a transition into the specialized field of cross-connection control.

Driven by a commitment to water safety and customer success, JJ founded One Flow Backflow, which later became Backflow Test Pros, a company that has since grown into a leading full-service backflow provider in Southern California. Under his leadership, Backflow Test Pros has built a reputation for reliability, technical excellence, and exceptional customer service, ensuring thousands of businesses and property owners stay in compliance every year.