Drainage Industries 2 In. ABS Thermoplastic In-Line Sump Pump Check Valve is a reliable component designed specifically for sump pump systems. Constructed with durable sonic welded ABS, this valve ensures long-lasting performance and resistance to wear and tear. Its full-flow design and rubber flapper create a positive seal that effectively prevents backflow, promoting efficient water flow. The check valve includes rubber coupling sleeves and stainless steel clamps, making it compatible with both PVC and ABS discharge pipes. This essential part helps maintain proper drainage and protects your sump pump by preventing water from flowing back into the system. Model Number: CV02IN