Channel Balance

A quick learner from Minnetonka, Minnesota says:
Working on some old double hing windows for my mother in-law. These windows we made by KK as the logo in pic one seems to indicate. I am remembering that to be Kolbe perhaps and believe your part #751 may be the right but I differ to you. The channel balance measure 29in long 9/16 wide. The sash weighs 30lbs

I will need 8 of these as she has 4 windows i need to repair
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Bob from SWISCO responded:

Thanks for writing in. Take a look at our S751-29. Look over the specifications to make sure this matches what you need. If your window weighs 30 lbs, you'll want the stamp option of 28TG. You should be able to re-use your old S-Clip. Let me know what you think.

How to install a ribbed tilt channel balance with knife lock shoe
How to install a ribbed tilt channel balance with knife lock shoe
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