Block & Tackle Channel Balances

Question

Hi, I'm trying to identify replacement parts for 12 block & tackle channel balances for non tilt single hung windows. They are 9/16" wide, 28" long (not including the plastic tips), stamped 2740, and were installed on Next Dimension vinyl windows (I think the brand name is Windsor). Happy to provide more pictures or information. Thanks!

Emily · Accepted Answer

Hi there!

Thank you for reaching out to us. Your balance looks like a match for the S351-28 or S390-28. The important difference is the depth of the bottom shoe, so you'll have to measure as shown below. You can also select the 2740 stamp option for the replacement balances.

Please let us know if you have any questions.

Comparison of the S351 and S390 balance shoes.