Larson storm window with gap in corner

A handy person from Chippewa Falls, WI says:
I have a storm window with a gapping corner. I think it is a larson storm window. Would I use a Larson corner key kit to fix it? Thank you!
User submitted a photo of window hardware.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Hey, thanks for posting. Looking at your photo, the gap appears to be from the main frame of the window. I'm not certain though. Are the corners held together with screws that have pulled out, or a type of corner gusset? If it is the main frame like I suspect, then a quick fix might be to install some flat corner supports like the 20-012 with some short screws like the 33-071. If it is the storm sash itself that has broken, we do carry a line of Larsen parts to repair the storm sash, but we will need more information. Let me know and we can work from there!
A quick learner from Chippewa Falls Wisconsin says:
Thank you for the quick response. This is the main frame of the storm window. I don't see any screws in the corners. The other side looks the same. These windows surround a porch on my house and there are quite a few of them that need work in the corners but this is the only main frame that has the corner open. The other corners are on the storm window or screen itself. Let me know what other information you would need. Thank you.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Thanks. If this is the main frame, what do you think of the suggestion I made above? Would that work for you?
A quick learner from Chippewa Falls says:
Thank you I will try those suggestions.
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