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The ADVANCED DRAINAGE SYSTEMS 0417AA is a 4-inch poly internal drain tube coupling designed for connecting sections of corrugated or smooth-wall drain tubing in subsurface and surface drainage systems. Constructed from polyethylene, this coupling provides a secure internal connection that maintains flow continuity across joints. It is a standard unit-of-measure each item sold in package quantities of 16. Plumbers, drainage contractors, and site utility crews install this fitting as part of residential and commercial drainage infrastructure where a reliable, watertight internal joint is required.
This internal coupling is suited for use in foundation drainage, yard drainage, and agricultural drainage applications where 4-inch diameter tubing is the specified pipe size. Its internal design allows it to slip inside mating tubing ends, keeping the outer pipe profile smooth and preventing soil or aggregate intrusion at the joint. It is commonly installed in trench drain systems, perforated pipe runs, and storm drainage laterals on both residential and light commercial projects.
Designed as an OEM-style replacement and standard fitting for 4-inch polyethylene internal drain tube applications in residential and commercial subsurface drainage systems.
Installation is typically performed by plumbers or drainage contractors following applicable plumbing and site drainage codes. Shut off or divert any active water flow in the drainage line before joining sections. Ensure tubing ends are clean and free of debris before seating the coupling internally. Follow local IPC or IFGC guidelines as applicable for buried drainage system connections.
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