Find answers to frequently asked questions about backflow prevention devices on this page.

Expand/Contract Questions and Answers

  • What is Backflow?

  • What is Backsiphonage?

  • What is Backpressure?

  • What is a Cross Connection?

  • How can backflow be prevented?

  • Where are backflow devices installed?

  • Who is required to test backflow devices and how often?

  • Who performs the backflow test?

  • What is the cost for backflow testing?

  • What types of backflow preventers can be installed to help protect our home?