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Prevent sewage backup into a residence or building
Easy to perform maintenance and inspection from ground level
-InchHands-off-Inch cleaning
Meetts all model construction and p;umbing codes
NO costly manholes- direct bury upto 12 ft
Product Description Clean Check Extendable Backwater Valve w/ Adapter. Clean Check extendable backwater valves prevent sewage backup into a residence or building as a result of a plugged sewer system, excess volume in the system or groundwater flooding.-4-Inch PCV (4-Piece). From the Manufacturer Clean Check Extendable Backwater Valve w/ Adapter. Clean Check extendable backwater valves prevent sewage backup into a residence or building as a result of a plugged sewer system, excess volume in the system or groundwater flooding.-4-Inch PCV (4-Piece).