Balance cords broken

A quick learner from Connecticut says:
Manufacturing date 7/84 on window glass. Numbers d15 7#27 on window balance. These were Anderson narrow lines double hung. Held by several heavy duty Staples. Hopefully this is enough information cuz I can't afford to have a hole in my wall while I'm trying to obtain parts.
Thank you
Rich

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Emily from SWISCO responded:

Hi, Rich.

Please see our 24-737 balance. This is meant to replace Andersen balances stamped 7#27.


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