🔍 What’s a Double Check Valve—and Why Should You Care?
A double check valve assembly (DCVA) is a backflow prevention device that protects your drinking water from contamination. It’s required by many cities (including Allen, Plano, and McKinney) to prevent dirty water from flowing back into the clean water supply.
đź’§ Think of it as a one-way gate that keeps harmful bacteria, fertilizers, and yard chemicals out of your home's plumbing.
At Thorough Plumbing, we test, repair, and replace double check valves to keep your water safe and city-compliant. Don’t wait for a letter from the water department—or worse, a contamination issue.
đź“Ť Serving Allen, McKinney, Plano, and Parker
đź“ž Call or text: 844-933-5874
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https://www.thoroughplumbing.com
