Keyed lock set

A handy person from Clearwater Fl says:
February 8, 2023
I need to replace this with a keyed lockset. Facing the door from outside the handles are on the left. Thank you for any help you can provide.
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Emily from SWISCO responded:
February 9, 2023

Thank you for reaching out to us! 

Assuming your handle's installation hole center spacing is 3-15/16", my recommendation would be the 82-030 along with our 82-310 key lock which is sold separately. These parts will be fully compatible with your existing mortise lock. We even have a handy blog article here that will explain how to adapt the key lock I recommended with the 82-030's outside pull. Have a look and see what you think! 
Key Lock
Key Lock
82-310
$14.30
Sliding Patio Door Handle Set, 3-15/16"
Sliding Patio Door Handle Set, 3-15/16"
82-030
$29.95
How to Install a Key Lock on a Patio Door
How to Install a Key Lock on a Patio Door
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Legacy Patio Door Handles, Locks & Spindles
Legacy Patio Door Handles, Locks & Spindles
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How to maintain a sliding glass door
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How to install the 82-030 Handle Set
How to install the 82-030 Handle Set
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