20 5 IQ Caldwell Window Balance

A professional from Sherwood Oregon says:
I need 2 window balances for for my vinyl milgard windows from 97'.
the Balance is 21" not including the attachment pieces. It's a 3'x 4' Single Hung. I am a glazier by trade. Could you please help me locate the type I should get for this. Thank You for your time.

User submitted image of their window hardware.
Profile picture of Paul
Paul from SWISCO responded:
Hey, Chesley. Always happy to help. See our S385-21 channel balance with a 2050 option. I think this looks like a good match but let me know your thoughts.
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)