1988? Sliding glass patio door handle with interior lock - need exterior lock

A home owner from Vermont says:
Hello I need to replace the sliding glass patio door handle to one with an exterior lock and key. I think it's original with the house that was built in 1988-ish. Our contractor will be installing it.
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Tom from SWISCO responded:

Your hardware is pretty old. I'm not sure if they make these exact parts anymore, but look at our 82-227 mortise lock and 82-033 handle set. These may work for you. For a key lock, see our 82-310.

Make sure to review our dimensions and photos to confirm that everything matches up.

How to install the Swisco 82-033 Handle Set
How to install the Swisco 82-033 Handle Set
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How to maintain a sliding glass door
How to maintain a sliding glass door
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