Rope on side tracks for double hung window has snapped-need replacement. Info on the block says AW Andersen Corp Bayport. Minn #11600. 1131 on end where it would screw into frame
Emily from SWISCO responded:
May 5, 2022
Hello!
Take a look at our 24-1133 which is meant to replace Andersen sash balances that include the stamp code 1131.