Window balance

Home Owner from Gaylord Michigan
I don't know what to order. The number is D43 7P27 12-76. These windows were installed in 1977. Can you advise me what to order. I need to replace them in two windows. Do I need to order 4? I'm pleased with the quality of Andersen windows. First problem I've had in all these years. Really can't read number in a photo.
2 Replies
Jasmine
Jasmine from SWISCO
SWISCO
Expert

Hello,

Thanks for reaching out to us! Based on the provided stamp, you'll need the 24-737 Andersen Sash Balance. These are made to replace balances stamped with a 725, 727, 731, or 737.

The number of balances you need to order will depend on the number of the balances in window and the number of balances you intend to replace. These balances are sold individually and can be used for the left and right side of the window.

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