Aluminum Threaded

Reverse-threaded aluminum coupler. Tapered threads accommodate a wide range of conduit OD's within a given conduit size. Also available in a Riser/Plenum rated version.

Features

  • Wide tolerance to fit most conduits
  • Easy to install
  • Not airtight or watertight
  • Threads may reduce conduit ID
  • Self-threading, which draws each end of the conduit into the center of the coupler
  • The Riser/Plenum versions are approved for use in both Riser and Plenum applications – Riser UL 1666 & Plenum UL 2024

Technical Specifications

Part # Description OD Working Range (in) Packaging
20003141 1.00" Aluminum Threaded 1.160 - 1.410 Each
20001853 1.25" Aluminum Threaded 1.495 - 1.700 Each
20003897 1.50" Aluminum Threaded 1.800 - 1.960 Each
20002865 2.00" Aluminum Threaded 2.310 - 2.450 Each
20001538 2.50" Aluminum Threaded 2.835 - 2.900 Each
20004535 0.75" Riser/Plenum Aluminum Threaded 1.040 - 1.060 Each
20004539 1.00" Riser/Plenum Aluminum Threaded 1.160 - 1.410 Each
20005397 1.25" Riser/Plenum Aluminum Threaded 1.495 - 1.700 Each
20005398 1.50" Riser/Plenum Aluminum Threaded 1.800 - 1.960 Each
20005399 2.00" Riser/Plenum Aluminum Threaded 2.310 - 2.450 Each

Other couplers

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Want a better connection with Dura-Line?

Ask a question or email us a comment! We're happy to supply additional information and would love to explore how we can be of service to you.

Contact us