Replacement Balances

Question

Greetings,
Our home was originally built in 2005 (I am not the original owner) and two of the window channel balances are in need of replacement. I am fairly sure that CWS - Custom Window Solutions is the manufacturer of our windows since the home was built locally near Ocala, FL (where CWS is located) and when I see the Keystone Certification sticker, it shows a "CWS" ID number (CWS-K-002). They are both 3500 SH aluminum frame, but different sizes.

The two ballasts have the following markings stamped into them:
The smaller one is 16 9 BSI
The larger one is 29 9 PN with a vertical BSI

I am sending photos of them removed, but I do not have any installed.

Please let me know if you sell replacements for these and the costs.

Thanks,Craig Prusansky

Casey · Accepted Answer

Hello, thanks for posting! It looks like you could have either our Series 380 or Series 385. The difference between the Series 380 and the Series 385 lies in the depth of the shoe. Take a look at the picture below for more detail. Once you have determined this dimension you should be able to select the appropriate balance.

Comparison of the S378, S380 and S385 balance shoes.