Channel Balance for Patriot Window

A quick learner from Mullica Hill, New Jersey says:
I need to replace the channel balance for a Patriot window. The bottom sash will no longer open. The window is a double hung vinyl window, the bottom sash tilts inward. The sash measures 31 1/2 inches wide by 32 inches high. A sticker on the window indicates series 1700/1800 SH. Can you tell me the exact replacement balance part number with length including price. Thank you.
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Mike from SWISCO responded:
Good Morning,

We offer a variety of channel balances. In order for us to help you determine the correct replacement, we will first need to identify the balance Series by taking a look at photos of your balance and balance attachments. Upload a few quick photos, be sure to include any dimensions you may find on your balance along with your submission.
A quick learner from Mullica Hill says:
I attached some pictures of the channel balance.

There are some markings on the side of the balance that read 30B ol BSI
User submitted photo of channel balance for patriot window.
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Donna from SWISCO responded:
It looks like you have the S795-30 with stamp option 30B. Compare your balance to the S795-30 product picture. Let me know if you need anymore information to help you make your decision.
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