Help with balances Marked 2640 BSI op
what replacement part do I use? I need a couple sets +, and is there a way to increase the weight strength a single step?
Thank you! -DAT
BSI 2640 window balance
Home Owner from Colorado
Jan 12, 2022 12:08 am
4 user uploaded images
5 Replies
Emily from SWISCO
Jan 13, 2022 12:36 pm
Hi there!
With this combination of attachments, you could have either an S380-27 or S385-27 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. Choosing a stronger option would actually make the window harder to close, not easier to open. We suggest going with the 2640 stamp option, which is what your balances currently have.
Comparison of the S378, S380 and S385 balance shoes.
Home Owner from Colorado
Jan 15, 2022 6:54 am
Thank you so much, Ill order a couple sets! :)
Home Owner from Colorado
Jan 25, 2022 9:36 pm
PERFECT match, took a few minutes and saved 300 bucks over the quote - you guys are going in my favorites!!
Thank you!
Thank you!
Emily from SWISCO
Jan 26, 2022 7:49 am
Thank you very much for your kind words! We're always happy to help. If you have any future hardware questions or repairs, you know where to find us!
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