Dave Sr. from SWISCO responded:
October 28, 2016
I'm not sure if we can help replace this handle set. You have a Thermal Break patio door, which is a little thicker than normal. It makes it difficult to find anything that can work comfortably. That said, take a look at our 82-002K and compare it to what you have now. Alternatively, you might need to install a surface mounted patio door handle and lock like the 82-005 and 82-306. Take a look at the parts suggested and see what you think.
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