Did you know that more than 80% of American households have some form of outdoor watering system? That’s right! Sprinkler systems are a popular choice for keeping lawns green and gardens blooming. But turning these systems on isn’t just a simple twist of a valve, especially if you’ve got a backflow preventer. This handy device is crucial because it stops dirty water from … [Read more...] about how to turn on sprinkler system with backflow preventer