SWISCO - The Replacement Hardware Authority

Is my channel balance a Series 380?

A quick learner from Ladera Ranch, CA says:
Could you please steer me in the right direction? I'm looking for replacement channel balances. Your 27" Series 380 Channel Balance look most similar to mine, but I need to know of they are appropriate for a 25 pound, non-tilt window. My sample is 27" x I've attached photos of my current balances, including a part number. I do not know the manufacturer though. Please advise.
Thank you!
A customer submitted photo of channel balance attachments.
Profile picture of Donna
Donna from SWISCO responded:
You may actually have the Series 385 balance assembly, since your shoe appears to be a little deeper. Please take a look at our S385-27 Channel Balance.

You will want to choose a 2640 stamp option, which will carry a window sash weight range of 19 through 26 pounds.
A quick learner from Orange County, CA says:
Thanks for your help Donna. I just ordered 6 - hopefully they work out.
Take care,
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