E31 9#31 10 85 Anderson Balance

Question

I have an anderson balance marked 11600-3 above the patent numbers and E31 9#31 10 85 on the other side.
Which anderson balancer I can purchase to replace it

Tom · Accepted Answer

Hello! Based on your old stamp of "9#31," I recommend the 24-939 Andersen sash balance. This should work well for you.