2340Z balance

Hi Yvonne,

Thanks for reaching out to us! Your channel balance appears to be either the S351-24 with a 1" shoe or the S390-24 with a 1-1/8" shoe. To confirm which series you need for your repairs, you'll need to confirm the measurement for the depth of your bottom shoe.

You can likely use the 2340 stamp option but it may be a good idea to confirm that your sash weight falls between 18 to 23lbs.

Comparison of the S351 and S390 balance shoes.