Hi Andrew,
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There¡¯s a rivet, but the head isn¡¯t large and is under a lot of caulk/epoxy gunk at the seal at the bottom of the inlet. (Dear Felder, this could be a lot cleaner.) The adapter fit has never quite gotten far enough around the inlet for the rivet head to register as a problem (or not).
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I like your idea of using a short section of hose to adapt the machine to the ducting. I have a small complication in that the ceiling to inlet drop isn¡¯t 90¡ã to the floor ¨C it angles upwards to hit the line the first section of trunk needs to be on. ?That suggests wanting a little mechanical support on the bottom end, but I can rig up something if need be.
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I¡¯ll see what my Nordfab vendor has to say, and report back if they have any helpful suggestions, in case anyone else hits this snag.
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¨C John
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