Replacement part for alenco channel balance

A home owner from Roseville,CA 95661 says:
I need a replacement channel balance. I have 3 Alenco bay windows and 2 balances need replacing. The window is 30" x 44 7/8". The 4 digit code on the channel balance is #2740. My house is 20 years old. Thanks in advance for the information.
A user submited photo of window channel balance
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Paul from SWISCO responded:
Thanks for posting! Before I can offer you an applicable replacement for your balance, I just need to know a bit more information regarding your bottom shoe.

Please look at our 15-001 and 15-002 and note their depths. They are 1-1/8" and 1", respectively. Which one more closely matches your shoe?

Can you also tell me what the length of your channel is? Please do not incorporate the plastic attachments in your measurements.

Once we have that information, we can suggest an appropriate channel balance for you!
A home owner from Roseville, CA 95661 says:
Thanks Paul, for your advise in advance!!!
My shoe closely matches 15-001, 1 1/8" shoe.
The metal channel balance (by itself from end to end), without the plastic attachments, measures 28".
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Paul from SWISCO responded:
Thanks, Michael! Take a look at the S395-28 with the option 2740.
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