A backflow preventer's part that is being jammed with debris

A large rock the size of our testers hand found itself wedged into a valve.

You’ll Never guess what crazy things wind up in backflow preventers! One of our testers Vito was nice enough to share some of the things he’s found in the devices when he was performing routine backflow tests, or was called out for an emergency fix!

A backflow preventer's part that is being jammed with debris

Sometimes it’s small debris like a woodchip or pebbles can find their way into a backflow device and it’s system of valves. These need to come out for sure.

A backflow preventer's part that is being jammed with debris
A backflow device in serious need of maintenance

The thing blocking your device from functioning properly could be a large chunk of metal, or it could just need a good cleaning.

When it comes to fixing backflow devices, we’ve seen it all, from tinfoil balls, to golf balls.

A backflow device that has debris stuck inside it.
A piece of debris in a backflow prevention device's valve

We’ve even found donuts inside of the pipes before. It makes you wonder how it happens, and what more crazy things we will find in the years to come!