Confirming Sash Balancer Part

Question

Hi - I'm looking to confirm a replacement part number for the sash balancer pictured here. The part/model number appears to be 11600-17. The "box" number appears to be 931 - if I'm reading the pictures correctly.

Bob · Accepted Answer

Thanks for posting. See the 24-939. This will replace old Andersen balances with the 931 stamp.