Window Balance Help

A professional from Buffalo Grove says:
I manage a 90 unit 7 story building and need to replace a lot of window balances.
Here are the measurements of balances:

2nd flr - 6th flr: Top Sash: 29 11/16 x 27 11/16 Bottom Sash: 30 9/16 x 27 11/16

7th flr: Top Sash: 29 11/16 x 31 11/16 Bottom Sash: 30 9/16 x 31 11/16 Bottom

Balance is stamped: 30D Not sure which ones to order on your site.
Thumbnail of the uploaded file named Shoe for balance.jpg
Thumbnail of the uploaded file named side of shoe.jpg
Thumbnail of the uploaded file named top of balance.jpg
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Tom from SWISCO responded:

Thank you for your patience while we looked into this. We may be able to help with this balance, but a big issue is that top hook in your last photo. We have looked everywhere and simply could not find anything that comes close. The only explanation is that it was custom build by the window manufacturer, since the balance manufacturer doesn't recognize it, either. If you want an exact match, you'd have to contact them directly.

The other option is to take a gamble with our balance. We can custom make this with a 15-198 hook. My hope is that this hook will work the same way as your original, but there's no guarantee.

If you were interested, let me know how many of each balance you need for your windows and we can email you an order link and price quote for the desired quantity.

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