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Casey from SWISCO responded:
October 19, 2021
Hello, Our 82-030 can replace the handle set with the top-mounted thumb lever without adaptation. The reason for this is because both handle sets engage with the mortise using a spindle that's centered between the two screw holes. What's confusing is that the original handle doesn't look like it has a centered latch since the thumb lever itself is, for whatever reason, mounted above both screw holes. The reality is that when that thumb lever is turned, an internal arm mechanism reaches down the spindle and turns it. Our 82-030 works the same way but its thumb lever is centered already. It doesn't need that additional (and redundant) arm mechanism. If you need to replace the mortise lock as well, take a look and compare the dimensions of the 82-218 to yours. Thank you! |
