A Simple Valve Prevents Flooding

Installing and maintaining an anti-siphon device is easy-and prudent-to do. From "Hands-On Sailor" in our April 2008 issue

An Automatic Backwater Valve Stops Sewer Water Flooding

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Using a Backwater Valve can Protect Your Toronto Home Against Floods

Flood-guard prevents basement flooding. This very easy to install basement flood prevention device operates like a check valve to seal off water

Flood-Guard 3 in. (76 mm) Float Model

Minimprover Internal Backwater Valve,3-F 3 Float Model Flood-Guard for 3-inch Flood Drains,Drain Backflow Preventer for Sewer Flood Protection

How to Choose the Right Flood Prevention Device for Your Home

Backwater Valve - Flooding & Flood Prevention

Reasons Why Your Yard is Flooding

Backwater valves are installed in horizontal sewage pipes before they exit a building or sewage drain outside the building before its connection to an

110mm Non Return Valve Backflow Flood Prevention Single Stainless Steel Flap

How Backwater Valves work, Basic Principles

How can architecture combat flooding?

What Are Interior and Exterior Backflow Valves and How Can They Help with Flooding?