Aluminum Threaded Coupler

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.

Aluminum Coupler Specifications



  • 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

Additional information


0.75", 1.00", 1.25", 1.50", 2.00", 2.50"


Riser, Plenum