Need to find proper balancer.the lettering on old balancer is( LL 4 31 84 ).size is 6 5/16" × 2 13/16" × 3/4" .sent photos .House was finished in 1965
Emily from SWISCO responded:
May 17, 2023
Hey there!
We appreciate you reaching out to us. The 24-431 Andersen sash balance is designed to replace those that include the 4 31 stamp. Take a look at the specifications and see what you think.