Outside door lock for Andersen Slider

A quick learner from Hamden, CT says:
June 2, 2011
can the 80-038 be used on the exterior to secure a slider? if not do you know of any unit that can be used to retrofit and exterior slider door?
Thank you for your help.
User submitted photo of patio sliding door hardware and lock for Andersen slider.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
June 6, 2011
Good morning and thank you for submitting yoru photos.

Normally you can get an outside key cylinder so you can unlock the latch from the outside. It goes on the outside of the thumb turn shown in your photos.
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