Backflow Installation & Maintenance

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Protect Your Water. Protect Your Home.

Family-owned and serving Bulverde, TX, expert backflow installation and repair services to keep your irrigation system safe. At Andrew Irrigation and Repair, we understand the importance of protecting your water from contamination. Backflow issues can allow harmful pollutants and bacteria to enter your drinking water—putting your family and property at risk. That’s why we provide expert backflow installation and ongoing maintenance services for homes and businesses in Bulverde, San Marcos, New Braunfels, Windcrest, and surrounding areas.

Whether you need a new backflow prevention system installed or want to ensure your current setup stays in peak condition, our licensed technicians deliver fast, reliable service—backed by our 100% satisfaction guarantee.

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What Is Backflow?

Backflow occurs when the water in your plumbing system reverses direction, potentially allowing contaminants like fertilizers, pesticides, sewage, and chemicals to enter your clean water supply. This typically results from drops in water pressure or cross-connections in your irrigation system.

A backflow preventer is a mechanical device designed to stop this contamination. Installing and maintaining these systems correctly is crucial to keeping your water supply safe and your property compliant with local regulations.