NDS 8481 Micro Channel Coupling — Join Channel Sections
The NDS 8481 is the internal coupling for NDS Micro Channel drains. Slide it into the channel, then solvent-weld with PVC cement to connect 10 ft runs, 45°/90° elbows, tees, cleanouts, and end or bottom outlets.
Key Specifications & Features
- SKU: 8481
- Brand: NDS
- Type: Micro Channel internal coupling
- Color: White
- Material: UV-inhibited PVC
- Fit: Slides inside 1-1/4 in. Micro Channel and matching fittings
- Use: Join channel, elbows, tees, outlets, and cleanouts
- Weight: 0.10 lb
Frequently Asked Questions
What is the NDS 8481 coupling used for?
It joins Micro Channel drain sections and accessories. NDS notes that elbows, tees, cleanouts, and outlets require an 8481 coupling at each joint.
Does the NDS 8481 work with sand or gray Micro Channel?
Yes. The 8481 is the white internal sleeve for the whole Micro Channel family (8001 white, 8002 sand, 8003 gray) and the matching sand fittings such as 8472 and 8462.
Do I glue the NDS 8481?
Yes. Solvent-weld the coupling into the channel with PVC cement for a water-tight joint. Dry-fit first, then cement.
Can the NDS 8481 discharge into a French drain?
The coupling itself only joins channel parts. Use an NDS 8462 sand end outlet (or a bottom/side outlet) to drop into 1-1/4 in. or 1-1/2 in. Sch. 40 pipe, then run that pipe to a French drain, pop-up, or dry well.








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