Replacement

Question

I have 2 windows that need the channel balances replaced. (Need 4 channel balances. I have attached 5 photos.  The channel balance is 21 inches long and 1/2 an inch wide. There is a number on the balance that is 2040. Could not find a manufacturer.

Casey · Accepted Answer

Hello,

It looks like you have either our S351-21, with a 15-002 bottom attachment, or S390-21, 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 2040 spring strength option for your replacement balances. Thank you!

Comparison of the S351 and S390 balance shoes.