Whether you’re a homeowner or a business owner, your plumbing system does more behind the scenes than you might realize. One of the most important — and often overlooked — components is your backflow preventer. This small device plays a big role in protecting your water supply from contamination. What Is a Backflow Preventer? A backflow preventer ensures that water flows in only one direction — into your home or business, not back out into the main supply. Without it, changes