Replace Sliding Glass Door Lock with Keyed Lock

A home owner from Palm City, FL says:
I want to replace my sliding glass door lock with a keyed lock. The measurements of the exisiting lock are the same as Item #82-002K but as shown in the attached photos, the inside sliding knob to lock the door is at the bottom not in the middle. There is no double lock feature on the existing unit. Please recommend a replacement that would fit this door.
A customer submitted photo of a door handle.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
It could be that your lock is simply a different style; the 82-002K may still work. To make certain, please check to see if the hook on your lock matches up to the hook on the 82-002K. The double lock is just an added feature that prevents you from unlocking the door when it is engaged.
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