The answer to how much a backflow preventer costs in your area can vary significantly, but typically ranges from $150 to $500 or more, depending on several factors. The size, complexity, and material of the backflow preventer, as well as the labor costs in your local market, will all influence the final price.
Backflow preventers are an essential plumbing component that help protect your home's water supply from contamination. They are required by many local building codes, so it's important to have a qualified plumber install one properly. While the upfront cost may seem high, a properly functioning backflow preventer can save you from expensive water damage or health issues down the road.