Start by closing the valve on the backflow preventer, which is also known as a pressure vacuum breaker. On the side of the backflow preventer you’ll see a plug screwed into the blow-out port.

Hahn said it's a good idea to cover the part of the sprinkler system that sticks out of the ground called a backflow preventer. Hahn said you can buy covers made specifically for them, but a dark ...

Backflow preventers for garden hoses are the most affordable while the backflow preventer installation cost for a basement drain can reach $1,000. The cost to replace an irrigation backflow ...

We don’t show how to connect an irrigation system to a home’s water supply or install a vacuum breaker/backflow preventer in this story. This crew hires a licensed plumber for those steps.

Backflow preventers must be winterized along with the sprinkler system to prevent cold-weather damage. The best way to do this is with pipe insulation and duct tape.

STEP 3: Once the water is off and the backflow preventer is drained, the next step is to cover it by wrapping it with towels and duct tape, and then drape a blanket over it.

Backflow preventers must be winterized along with the sprinkler system to prevent cold-weather damage. The best way to do this is with pipe insulation and duct tape.

But before a long, deep freeze, KETV is finding out how to save your money and your sprinklers. As we wait for Sean Everson's freeze forecast, we're finding out what you can do now to prepare.

One huge change that came with the new Minnesota State Plumbing Code that went into effect on January 23rd of this year was the requirement for annual backflow preventer testing. Here's the exact ...