Experience the peace of mind that comes with a drain that doesn't let sewage backup. The Oatey 42725 Backwater Valve ensures proper water flow design, trap your water, and maintain a steady supply. With a 2" DWV pipe in a reliable one-piece trap, this nightszdrain prevents backed-up sewage and overflow, giving you the freedom to tackle everyday tasks worry-free.
  Your satisfaction is key with the Oatey 42725 Backwater Valve. This ingenious drain prevents sewage backup and overflow thanks to its robust construction and proper water flow system. Featuring a trap design that captures water while maintaining water flow, it's worry-free for your bathroom or kitchen. With its 2" FIP thread connection, it seamlessly integrates into your plumbing system. The deep sump bowl also ensures larger capacities, preventing backed-up water and maintaining a reliable drainage system.