14 3 AU CMC 2. These are Milgard windows.

A quick learner from Hawaii says:
they say "14" on them, but when measured (metal end to end) it is really 15"--so not sure what to order...
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Casey from SWISCO responded:

With this combination of attachments, you could have either an S380-15 or S385-15 channel balance. You 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 1430 spring strength options for your replacement balances based on your stamp number.

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


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