Sash Lifts for Pella windows

A home owner from USA says:
The house we bought has 4 wood double hung Pella windows that do not have sash lifts. I asked Pella who locally would have their sash lifts and they gave me your company's name.

I looked on your website but did not find any Pella sash lifts. I did see your product 20-007. I would think it would work functionally, but it would not be a good-looking fit for two of my Pella windows because the bottom frame rail on the lower sash of those two windows is only 1-1/4" high, while the height of the 20-007 is indicated to be 1-1/8" high.

Do you have any Pella sash lifts? Pella's lift for the windows is shown below.
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Tom from SWISCO responded:
Thank you for posting! We don't have this part at the moment, but we have found a possible Pella-brand replacement for this lift and will let you know as soon as we have it available in our catalog.
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Tom from SWISCO responded:
Alright, please see our new 20-021 Pella lift and let me know how this will work!
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