Making a cut out for 26-122

A home owner from Foxboro, MA says:
Can these be put into a double hung Anderson window that did not come with them, i.e. no cut-out for them? Is it easy to do? And are they easy to install once cut out made?
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Paul from SWISCO responded:
I don't think so. I wouldn't try it, at least. The window manufacturer has a special punch that makes a hole for it. Instead, you should consider our 26-387 surface mount vent lock. See the video below to see how it installs.
A home owner from Foxboro MA says:
There is no flat surface to mount the 26-387. 2 images attached.
Do you have any other suggestions?
User submitted photos of window hardware.
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Dave Sr. from SWISCO responded:
Funny you should bring this up, I actually just installed the 26-387 a few months ago on an Andersen window I have at home. What I did was utilize the screw posts that come in the kit. I have the Andersen Primed Narroline series window from 1985 and I installed the 26-387 into the vinyl track following the directions given. I drilled two holes into the small, kind-of-flat part of the track that runs up the side of the window sash. It was large enough so that I could install the screw post plate behind the track to to accept the screws. I was skeptical at first thinking that it would impair the operation of the window, but my window opened and closed with out any problem.
A quick learner from Fixboro,MA says:
I don't think that would work - no wide enough. I can't bekieve Anderson windiws don't come with built in vent locks. Can you please send me a photo of what you did? I just can't picture it. Phoebe
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Tom from SWISCO responded:
Hey, I just wanted to shoot you an update. We are bringing in a vent lock that we believe will work better for your window, hopefully without any serious retrofitting. I will let you know as soon as this hardware is available!
A home owner from foxboro, MA says:
Thanks for the message about the new vent lock in the works. Please do get back to me when available.
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Tom from SWISCO responded:
Please see our new 26-434 and let me know if this can work for you! Please note that it attaches tot he upper sash.
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