BSI Channel Balance Replacement - Need help with part determination

A home owner from Florida says:
Hi, Could you please help me identify an appropriate replacement channel balance for the one shown in pictures attached.
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Emily from SWISCO responded:

Hi there!

I'm afraid I can't make out the end attachments on your channel balance. We can help but we'll need to see some close up pictures of your end attachments. Take a look at the video below, it explains everything we'll need to see. 

A home owner from Florida says:
Attached are 3 more pictures that will show the 2 ends
Thumbnail of the uploaded file named IMG-20210504-WA0004.jpg
Thumbnail of the uploaded file named IMG-20210504-WA0005.jpg
Thumbnail of the uploaded file named IMG-20210504-WA0006.jpg
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Emily from SWISCO responded:

Hi there!

With this combination of attachments, you could have either an S380 or S385 channel balance. You’ll need to measure as shown below. The Series 380 has a 1" bottom attachment, and the Series 385 has a 1-3/32" attachment. You'll also need to weigh your sash to determine which option you'll need. There is a chart on the product page that explains how to choose your option based on the sash weight. 

If you have any other questions just let us know. 


Comparison of the S380 and S385 balance shoes.
Comparison of the S380 and S385 balance shoes.
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