DFA Storm Door Key needed

A home owner from Franklin, OH says:
I am locking to purchase a lock for this door handle, which is on my DFA storm door. I had a locksmith look at my door, and he said it is unable to be rekeyed. I am hoping that 40-089 is the item I am looking for. Unfortunately, i was unable to take a pic of the internal workings of the current lock. It is oval, matching 40-089 , but it has 2 flappers (I believe that's what they are called) - one for the thumbturn and one for the key. Will 40-089 work for Mr, or is rpthere another lock that I need? Thank you.
User submitted photos of storm door hardware.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
It's really hard to be sure, but take a look at our 40-123 , and the 40-129 offset key cylinder. See if either of these match up to your key lock. I don't believe the 40-089 will fit you handle, to be honest. The shape is not the same. You may want to contact a professional to replace this lock.
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