Window Balance

Question

2730

28" x 1/2"

BSI not sure if last letter is I, L, or 1

One balance has PC and the other OF

Casey · Accepted Answer

Hello,

It looks like you have either our S351-28, with a 15-002 bottom attachment, or S390-28, with a 15-001 bottom attachment. Take a look at the image below to determine which balance you'll need. You'll also need a 2730 spring strength option for your replacement balances. Thank you!

Comparison of the S351 and S390 balance shoes.