Window balance replacement parts

Question

I need to identify the replacement for this window balance.  The length is 26 5/16" and the channel width is 1/2".  It is stamped 26 5 AX CMC 1.  The window sash weighs 24lbs.  I will need 4.

Tom · Accepted Answer

Thanks for your photos. Based on what I see here, you have either our S380-27 or S385-27, depending on the depth of the bottom shoe. That's the only difference between them. I recommend measuring your shoe and referring to our dimensions to confirm the best match.

Comparison of the S380 and S385 balance shoes.