Sash part replacement

Question

I need to purchase balances for a large hurricane impact window in Florida. The current balance is marked "2850 BSI Bv

The length is 29"

width of plastic end bit is just over 1"

Tom · Accepted Answer

Thanks for your photos. Based on what I see here, you have either our S380-29, S385-29, or S378-29 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 S378, S380 and S385 balance shoes.