Channel Balance identification and assistance

A quick learner from Crystal Lake says:
May 23, 2017
I need new window Balances for my Gapco Windows. I have FIVE 34" width windows with balances marked 2730. I have TWO 22" with balances that also are marked 2730 but there are not wings on the one end.

I have THREE 38" width windows with balances marked 2140. these are the photos for the 2140.

I need to buy all NEW balances for all these windows.
Balances
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Paul from SWISCO responded:
May 26, 2017
Please see our Series 385 channel balance, I think you'll find this is a close match.
22" Series 385 Channel Balance
22" Series 385 Channel Balance
S385-22
$9.59
28" Series 385 Channel Balance
28" Series 385 Channel Balance
S385-28
$10.97
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