Channel Balance 30 3 JN Caldwell

A quick learner from Mountain View, California says:

Can you please help me to ID the correct replacement channel balance for my window.

Marking on channel balance is 30 3 JN Caldwell

Marking on window is
MFGR: RYL-017-1
MST: 4-0 x 6-0
MVT: 48" x 36"

channel balance is 31" long


User submitted photos of a window balance.
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Tom from SWISCO responded:
Thanks for posting! Before I can offer an applicable replacement for this channel balance, I just need to know a bit more information about the bottom attachment. Please take a look at our 15-004 and 15-005 channel balance shoes, and note their depths. As you can see, they are 1-3/32" deep and 1" deep, respectively. Which one more closely matches your own bottom attachment?
A home owner from Mt View California says:
Sorry...Took me almost 6 months to reply. 15-004 is the closest match. Which parts do you recommend I order?

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Tom from SWISCO responded:
Not a problem, Cristin! I think you should check out our Series 350 channel balance. That appears to be the Series that most closely matches your specifications. Take a look and let me know what you think.
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