Need a Andersen sash balance replacement for model 11600-3

Question

Hi I need to replace sash balancer on 12 windows. Height 74 width 32 .

I think model number is 11600-3

Please let me know what model I need to buy

Thanks
Davide

Paul · Accepted Answer

Greetings. Judging from the code numbers and size, you will need the 24-11R (for the right-hand window, looking in from the outside), and then 24-11L on the other side of the window.