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24-531 Andersen Sash Balance, 519, 523, 525, 527, 531

I need to replace both balance boxes to an Anderson window. The stamped number on the boxes is 11600-17. And opposite that is JJ 5#27 3 87. Which replacement part would you recommend? Thanks, Bob

Hi, I need an andersen sash balance, my numbers are J18 5 23 7-77. I was assuming I needed the 523 balancer, however the picture of the new balancer does not show screw holes through the balancer like the picture of old balancer has, I need these screw holes. Does the balancer come with the 2 scr ... (cont.)

All the cords have snap on the counter balancers due to dye rot.I have the Counter balancer box out and the numbers stamped on box are C22 5 23 272 can you help me find a replace for this model??? The box is: 2 3/4" X 6 1/4". Thanks for any help you can give me

Thanks for the help on previous order(counter Balancers 24-531. They are in and working great. Now I have another Problem with two windows windows that need counter Balancer. The windows are Anderson Double Hung . On the windows the number are 11 A/W 72 XI .. The glass sizeon the Top window sash ... (cont.)

Hi Please Help, I have removed the Sash Balancer box from an old Anderson Window. House was built around 1974. The Numbers on BOX are C22 5 23 273 . Can you please help me find the replacement boxes. Thank You, Joe

i have a andersen 11600r-2(stamped) with other numbers of J1 5#27 3 84...on the back side it it stamped 11600-3 with stciker of 36x20 single 1/1 lite can you assist on replacement part. the unit mounts with two holes located in the center of the unit