window channel balance - stamped 2930c

Home Owner from Arvada Colorado
Sep 27, 2021 3:47 pm
I would like to replace the subject window channel balance. It is stamped 2930, the actual channel is 29 3/8 inches in length. I would like to replace both sides. It is a 1/2 inch channel
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3 Replies

Casey from SWISCO
Oct 1, 2021 3:54 pm


Hello,
With this combination of attachments, you could have either an S380-30 or S385-30 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 2930 spring strength options for your replacement balances.
Thank you and let us know if you have any other questions or concerns.

Comparison of the S378, S380 and S385 balance shoes.

Home Owner from Arvada Colorado
Oct 4, 2021 11:19 am
after measuring it seems that I will need the S385 model. Thank you for your response to my inquiry
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