Window Balance

A quick learner from 95842 says:

Hi,

I need your help locating the correct window balances for this Viking window . I need to buy 2

I have a channel balance I need 2 of for a Viking/timeseal ALI/VI-1 Class A

72583 the balance says 28 3 Caldwell KL

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Tom from SWISCO responded:

Based on your photos, you have either our S390-29 or S351-29. The only difference between them is the size of the bottom fitting, which is indicated on their respective store pages. You'll need to measure your bottom fitting to confirm which one is best.

Comparison of the S351 and S390 balance shoes.
Comparison of the S351 and S390 balance shoes.
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