- SPRING-LOADED FLAPPER MECHANISM: This innovative sewage check valve features a spring-loaded flapper that minimizes water hammer noise, providing a quieter plumbing experience compared to traditional valves. It effectively prevents backflow issues in your home's waste system. - TRANSPARENT MONITORING DESIGN: The see-through valve body allows for easy observation of the flapper's movement and water flow in real-time. This design enables quick visual checks of your plumbing system's functionality without the need for disassembly. - LONG-LASTING CONSTRUCTION: Made from high-grade ABS plastic and metal components, this check valve offers exceptional resistance to corrosion and daily wear. It ensures reliable performance through numerous operation cycles in demanding sewage environments. - COMPATIBLE WITH 2-INCH SYSTEMS: This 2-inch check valve is specifically designed for standard residential and light commercial plumbing applications. Verify your pipe diameter using our sizing guide to ensure compatibility with your existing sump pump or wastewater setup. Use Scenarios: - Ideal for residential plumbing systems to efficiently manage waste flow and prevent backflow in basements or crawl spaces. - Suitable for light commercial applications, ensuring smooth operation in small business plumbing without the disturbance of noise. - Perfect for installations near sump pumps, providing reliable protection against water backflow while maintaining a tranquil environment.