SWISCO - The Replacement Hardware Authority

Channel balance question

A handy person from Waunakee Wisconsin says:
For 1989 Weathershield double hung window
Part number 1630T
Which channel balance do I need to order?

Thanks
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Tom from SWISCO responded:
I'm not sure, the stamp only tells us how strong the spring is. It's not used in identifying the Series. I recommend that you look at our Channel Balance Home Page and follow the steps in order to find the Series that best matches what you have.
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