Caldwell Sash Balance replacement

A home owner from Molalla Oregon says:
Metal measures 27 inches and printed on the side is (26 4 F0 CALDWELL)
Have included pictures which should illustrate balance well please let me
know if you have a replacement or can direct me to one, thank you.
Thumbnail of the uploaded file named IMG_1325.JPG
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Profile picture of Casey
Casey from SWISCO responded:


With this combination of attachments, you could have either an S380-27 or S385-27 channel balance. You’ll need to measure as shown below. The Series 380 has a 1" bottom attachment, and the Series 385 has a 1-3/32" attachment. You'll also need 2640 spring strength options for your replacement balances.

Thank you and let us know if you have any other questions or concerns.

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