Difference between PT and PT4 Key | Ask the Experts

Question:

I have a customer with Architectural Mailboxes. What key blanks do they use?

 

Answer:

If they are double sided keys, try the Ilco 1659 or 1659R. The code series should be A1001-A3000, and also Y1001-Y3000. They also use single sided keys, those should be the Ilco L1054B, or the Y11. All the key blanks are available through your local IDN branch.


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