Pella mortise set

A quick learner from Pittsburgh says:
What is the minimum thickness of the storm door on which the handle set can be used. Mine is 1". Thanks!
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Dave Sr. from SWISCO responded:

The 40-193 handle has a short set of screws, but that looks like it would be for a door thickness of 1-1/4" thick. Take a look at the 40-049 handle set along with the related video. I believe this would work on a 1" thick door.

How to install the Swisco 40-049 Mortise lock set.
How to install the Swisco 40-049 Mortise lock set.
VIDEO
WATCH >
How to flip a storm door mortise latch.
How to flip a storm door mortise latch.
VIDEO
WATCH >
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