andersen balance replacement

Question

can you tell me the replacement part that matches this old balance?

the numbers on the old balance are:
C23 6#23 985

1600-17

Jasmine · Accepted Answer

Thanks for writing in! Your Andersen sash balances appear to be our 24-637 based on the stamp you provided. These are made to replace balances stamped with a 623, 627, 631, and 637. They are not designated for any particular side of the window.