Describe your experience in troubleshooting and repairing faulty backflow prevention devices.

How do you ensure compliance with local plumbing codes and regulations related to backflow prevention?

What safety measures do you follow when working with backflow prevention devices?

Can you explain the different types of backflow prevention devices and their respective uses?

What is the process you follow to test and certify backflow prevention devices?

Have you ever dealt with a backflow incident? If yes, how did you handle it?

How do you assess and identify potential backflow risks in plumbing systems?

Describe your experience in installing and maintaining backflow prevention devices.

What specific qualifications and certifications do you hold related to backflow prevention?

Can you explain what backflow is and why it is a concern in plumbing systems?