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Apr 11, 2025 · A backflow preventer is a device that ensures water flows in only one direction, preventing contaminated water from reversing into your clean supply. Installed directly in your …

Plumbing codes mandate that potable water supplies be protected against backflow at all cross-connections. We offer the largest selection of backflow prevention solutions for any application.

Backflow means the undesirable reversal of flow of a liquid, gas, or suspended solid into the potable water supply; a backflow preventer is designed to keep this from happening.

Dec 23, 2025 · This guide will provide a comprehensive overview of the different types of backflow preventers, thei benefits, and how to install and maintain them.

Zurn provides the complete line of backflow prevention products for fire protection, irrigation, plumbing, retrofit, and waterworks projects.

Learn how backflow preventers work, why they matter, and the types used to protect water systems from contamination in residential and commercial buildings.

This vacuum breaker integrates with KOHLER handshower components to prevent back flow of polluted water if the water pressure drops. The unit features solid-brass construction and a …

Shop high-quality backflow prevention products engineered to ensure clean, safe water in every system. Shop Backflow Preventers at Ferguson. Find expert-curated Backflow Preventers …

Jul 2, 2025 · Air gap, PVB, DCVA, SVB are common types of backflow preventers. Read our guide on backflow testing, prevention devices and installation.