SWISCO - The Replacement Hardware Authority

Window Channel Balance Replacements

A quick learner from Oregon says:
I need to replace several window channel balances (please see pictures). They are 26 in. long and 1/2 in. wide. They are marked "25 4 KN Caldwell" and are approximately 22 years old. I don't know the weight of the window these are supporting, but it is vinyl framed and 44in wide x 28in tall. If you need further pictures or info, please let me know. I tried to use the parts identifier portion of the website, but can't tell the type of lower attachment this has.
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
It's hard to say what could work for this. I think it could be either our Series 380 or Series 385 depending on the size of the shoe. That's the only difference.
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