window channel balances replacement

A quick learner from Honolulu, HI says:
September 8, 2019
Hi,
See attached picture of the 2 channel balances that I took out from my windows. The markings on the balances are 2110 w/ an upside down J and 2710 w/ an upside down J. There is another marking show B.S.I.-see attached picture.
I am looking for replacement part for these 2 channels.
Thank you so much for your help.
Phillip
Thumbnail of the uploaded file named window chanel balance markings.jpg
Thumbnail of the uploaded file named window chanel balance.jpg
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Bob from SWISCO responded:
September 12, 2019

Hi Phillip. It's a bit hard to tell, but I'm pretty sure you're working with our Series 350 Channel Balances. Jut go over all the specifications and nylon fittings to ensure they match your old balances. Specifically, I believe you will need the S350-22, with a stamp option of 2110, as well as the S350-28, with a stamp option of 2710. Look over the specifications on each product page to confirm this. Let me know if you have any other questions.
22" Series 350 Channel Balance
22" Series 350 Channel Balance
S350-22
$9.91
28" Series 350 Channel Balance
28" Series 350 Channel Balance
S350-28
$10.97
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