Channel Balance Replacement

A home owner from Austin, TX says:
December 20, 2016
My channel balances have the number 2790 BSI LH31 on them (as pictured)
They're 28" long
1/2 " wide
5/8" deep

What is your best guess of which balance/part I should order to replace these?

Thank you!
User submitted photos of a window balance.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
December 22, 2016
I would recommend our S395-28 channel balance. This comes with a 19-005 top and 15-001 bottom, so if those match you should be okay. You will need to weigh your sash to confirm the best option.
28" Series 395 Channel Balance
28" Series 395 Channel Balance
S395-28
$10.45
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