How to Install a Backwater Valve | DoItYourself.com

We’ve got the sewer line fully exposed and ready for a backwater valve install. After cutting out the old section, we repositioned the pipe so the valve can sit perfectly centered in the space. Getting the placement and level exactly right is critical — if it's off, the check valve won’t function properly during a backup. With everything aligned, we secured the valve to the building drain, tightened the clamps, and made sure the system is sealed and ready. And just in time, the helper has return