27" channel balance replacement

A home owner from ARIZONA says:
I need to replace a 1/2" channel balance, but cannot find one that exactly matches. This is for an Atrium non-tilt window. The upper guide has wings, but the lower guide does not. See attached photos. The metal channel is 27" long. The stamp on the balance is 26-4 JX CMC 7. Can you please help?
A customer submitted photo of channel balance attachments.
Profile picture of Paul
Paul from SWISCO responded:
Thanks for posting. With a winged top attachment (#19-005) and non-winged bottom attachment (#15-001), you will need a S395-27 with the 2640 option.
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