Compatible: Designed for 1-1/2 inch PVC pipe, fits 5-1/8 inch clearance.
Visible Valve Body: The upgraded check valve adopts a transparent valve body, which allows you to easily observe the working status of the sump pump and ensure that the pipeline is free from clogging.
Quiet Operation: The sewage check valve adopts innovative spring-loaded flapper technology, and the inclined flapper effectively reduces the water hammer noise generated when the pump is running.
Prevent Backflow: The sump pump check valve has a one-way flow function, specifically designed to extend the service life of the submersible pump. When the pump stops working, it prevents water from flowing back into the pump, causing the pump to dry spin and water hammer effect.
Corrosion Resistance: The submersible sewage pump check valve comes with steel clamps and rubber connecting shafts to ensure a solid installation. The valve body is made of high quality ABS material with good corrosion resistance and sealing performance.
Easy to Install: Easy to install with just a screwdriver. Detailed installation instructions are included in the package.
