Channel Balance Replacement

Quick Learner from Tyler, TX
I need to replace Channel balances in a couple of windows, and I need to identify the correct channel balance to order. Attached our pictures that are requested. The channel portion of the balance is 29 inches long. Please let me know if you need any additional information. Thank you for your help.
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Bob
Bob from SWISCO
SWISCO
Expert

Thanks for posting. This looks like either an S351-29 or S390-29 Channel Balance. The only difference between these two balances is the 'depth' of the bottom nylon shoe, or the heel-to-toe measurement. See below for reference. Compare both balances with your old hardware to see what matches best.

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

You then have to choose a stamp option, which designates the strength of the balance. Look for a stamp on the metal channel that indicates this. If there is none, or you are uncertain, weigh your window sash. You can then match that exact weight with one of the weight ranges listed alongside each stamp option under the product description on either the S351-29 or S390-29 shop pages.

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