Advanced Drainage Systems 624 Aa Hdpe Reducing Tee 6x4 in

Product Description

The ADVANCED DRAINAGE SYSTEMS 624 AA is a single-wall corrugated HDPE reducing tee designed for stormwater and drainage applications. It connects a 6-inch mainline to a 4-inch branch line, allowing field technicians to redirect or split flow within a corrugated drainage system. Manufactured from high-density polyethylene, it offers resistance to corrosion, soil chemicals, and moisture without the weight or brittleness of traditional pipe fittings. This fitting is installed by plumbers, drainage contractors, and civil site crews working on residential and light commercial drainage projects.

This reducing tee is suited for subsurface stormwater drainage, foundation drainage, and yard drainage systems where a 6-inch main run must branch into a 4-inch lateral. The corrugated single-wall construction is compatible with corrugated HDPE drainage pipe of matching diameters. It is commonly installed in gravel-bedded trenches beneath grade and pairs with standard corrugated couplers or soil-tight fittings at each bell end.

Key Features

• Reduces from 6-inch mainline to 4-inch branch in a single fitting
• Single-wall corrugated HDPE construction resists corrosion and chemical degradation
• Lightweight design simplifies handling and installation in trench conditions
• Compatible with standard corrugated HDPE drainage pipe at both inlet and branch connections
• Suitable for subsurface and surface stormwater drainage applications

Compatibility

Designed as an OEM-style replacement and field fitting for single-wall corrugated HDPE drainage systems using 6-inch main and 4-inch branch pipe configurations.

Installation Notes

Installation is typically performed by plumbers or drainage contractors following local stormwater and grading codes. Power or utilities in the work zone should be located and marked before trenching. Pipe ends should be clean and free of debris before seating the tee to ensure a proper connection. Do not exceed the load ratings of single-wall corrugated pipe when installing under driveways or vehicle traffic areas without consulting applicable load tables.

Technical Specifications

• Material: High-Density Polyethylene (HDPE)
• Wall Type: Single-Wall Corrugated
• Main Diameter: 6 inches
• Branch Diameter: 4 inches
• Fitting Type: Reducing Tee

Standard Information

• Brand: ADVANCED DRAINAGE SYSTEMS
• Manufacturer Part Number: 624 AA