Looking for correct Channel Guide

A home owner from Apopka Florida says:
Channel guide number on part is 294A and has a B61 on it. The channel guide is 30 inches long, 5/8 inch deep and 1/2 inch wide. House built back in 1984.
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
It's tough to tell based on just the shoe. Is there any way we can see a clear shot of the top cap out of the window?
A quick learner from Apopka Florida says:
In response to your request I have included 3 pictures of the top of the window channel. In addition after looking at the picture I think the B61 number I gave you is actually BSI.


Thanks
Mike Bray
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Thank you! Please see our Series 351 channel balance, this appears to be a good match.
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