Window replacement guides

Question

Need to identify and order several sets. Only number I can find is 2810:

Bob · Accepted Answer

Thanks for writing in. Take a look at our Series 390 Channel Balance. Compare all the specifications to ensure they match your old balance. Next, see if your balance's length, not including the end attachments, is 29". If so, choose a S390-28 with a stamp option of 2810.