SWISCO - The Replacement Hardware Authority

Channel balances

A home owner from Torrance CA says:
I have 1/2" x 21" channel balances that need to be replaced
Model is 20 4 FK Caldwell. Looks like it matches the S800-21 product with option B.
Windows are single hung milgards. Will this balance work?
See photos
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
No, I don't believe our Series 800 will work for you. A Series 800 is only 3/8" thick, while yours looks more like 1/2". I would consider our Series 385 as an alternative. Please triple check your measurements to ensure that this is a match!
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