backset of door width compared with 40-028

A home owner from VA BEACH VA says:
The backset (width for bracket on inside of door) is on 1.5 inches, will this product work?
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Dave Sr. from SWISCO responded:
Thanks for posting! By back set, do you mean the face of the door where the lock is being installed? For storm doors I have worked on, the face of the door is normally 2" wide, while you have only a 1-1/2" face. Looking at the 40-028 In-Swinging Door Handle lock's dimensions (see below), you will need 7/8" from the edge of the door to the center of the lock. Since the lock face width is 7/8", I'm figuring you should have 1/4" on the back edge of the lock. There would be no room for error here.

A SWISCO diagram of the 40-028.
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