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White 6-inch PVC round cleanout plug shown from top and angled view, displaying threaded MPT connection and molded sealing surface, durable PVC construction.

NDS 61P8 - 6-Inch PVC Round MPT Cleanout Plug

Brand: NDS
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$35.77
$26.83
SKU 61P8
In Stock (14)

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This NDS 61P8 cleanout plug provides a durable, removable access point for 6-inch sewer and drainage (S&D) lines. Designed for underground, non-pressurized systems, the threaded male pipe thread (MPT) plug engages 6-inch female pipe thread (FPT) adapters to allow easy clearing of clogs with a plumbing snake or maintenance access without disturbing the main line.

  • Material: Durable polyvinyl chloride (PVC) engineered for S&D service and UV resistance.
  • Connection: 6-inch Male Pipe Thread (MPT) that mates with 6-inch FPT adapters and fittings.
  • Fit & Compatibility: Intended for 6-inch nominal S&D pipe types including SDR-35, SDR-26, triple-wall and ASTM D-2729; not for DWV Schedule 40 systems.
  • Performance: Meets applicable ASTM standards for sewer & drainage applications; maximum working pressure 5 psi for non-pressurized use.
  • Dimensions: Nominal 6-inch size; typical overall outside diameter ~6.53 inches and height ~1.92 inches for plug body.
  • Use Cases: Provides quick access for plumbing snakes, routine inspections, and localized maintenance without excavation.

Install the plug by threading it into a compatible 6-inch FPT cleanout adapter or fitting; remove the plug to feed cleaning tools or perform inspections. The 61P8 is molded for long service life in buried drainage systems and is intended as a non-pressurized cleanout solution where a removable, threaded access point is required. Always confirm compatibility with local codes and adjacent fittings before installation.

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Frequently Asked Questions

What pipe types is this cleanout plug compatible with?
The 61P8 fits 6-inch S&D pipe types such as SDR-35, SDR-26, triple-wall and ASTM D-2729 fittings; verify compatibility with your adapter.
How is the plug installed and removed for maintenance?
Thread the plug into a matching 6-inch FPT cleanout adapter; remove the plug to feed a plumbing snake or inspect the line through the access port.
Can this plug be used in pressurized systems?
No. The plug is intended for non-pressurized underground sewer and drainage systems and has a maximum working pressure of 5 psi.