Economical, low profile assembly provides a watertight mechanical connection through the roof when 1 in PVC conduit is usedUsed through finished roof surfaces or when exiting above the finished roof, such as in or on top of a parapet wallUsed when 230 series thru-roof units are not feasibleThru-roof connectors provide a bi-metal connection between aluminum roof components and copper down conductorsThru-roof connector provides a universal connection for one aluminum and/or one copper roof component and a copper down conductorFits all main size conductors up to 9/16 in DiaNFPA 780 conductor bends section 4.9.5