Channel balances

Question

I have 3 windows that need new Channel balances.
Length - 21"
Number on Chanel balances - 2040G
Photo's attached

Could you please let me know what part or arts to order

Thank you
Dawn

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.