Window Balance 27 4 BN CALDWELL

A quick learner from Camas, WA says:
Need to replace two window balances due to broken cord. The markings are "27 4 BN CALDWELL" and the metal section is 28" long. Pictures of the tops and bottom posts are attached.

Thank you.
User submitted photos of their channel balance fittings.
Profile picture of Paul
Paul from SWISCO responded:
Great pictures. It looks like you have the 15-004 balance shoe and the 19-005 balance top. This is our replacement window balance series S385. Order S385-28 with the 2740 option.
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