Dave Sr. from SWISCO responded:
October 21, 2014
The problem could be that the screw was never installed into the threaded stem in the outside handle. Another problem could be that from pulling on the storm door, the threaded stem could have broken loose from the outside handle. Best bet would be to completely remove the handle from the door and examine it to find the problem. If you'd like, you can send us some photos of the lock removed from the door. We could try to identify what you have from there.
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Dave Sr. from SWISCO responded:
October 29, 2014
Thank you. Looking at your photos, I believe this inside handle is beyond repair. Please take a look at our 40-150. I believe that could possibly fit your storm door. Let me know what you think.
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