Need 2 Balances

Question

I need 2 Balances. 1/2" wide. The metal channel length is 27 15/16"'s. The window weight is about 19.8 pounds. The window balances that were installed, are probably to heavy - strong for the weight of this window. The is a part number on one of the attached photos. Thank you.

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 2740 spring strength options for your replacement balances. Thank you!

Comparison of the S351 and S390 balance shoes.