Andersen double hung balancer for 1985 window

Question

I am in need of replacement balancers for Andersen double hung from 1985 labeled as BD6 8#31 9-85. Can you recommend a replacement part?
Thank You.

Bob · Accepted Answer

Thanks for writing in. See our 24-837. This can replace Andersen Balances with the stamp 8#31, or 831.