SWISCO - The Replacement Hardware Authority

28 1/4 3 EK Caldwell Window Balance

A landlord from Jacksonville, FL says:
Trying to replace my window balance and my Window Top Sash Guide. I think the balance would be 351-29 but wanted to check. Not sure about the Window Sash. I am including photos with dimensions. The current balance is stamped as follows:

28 1/4 3 EK Caldwell. It measures from metal to metal 29 1/4". Does the 3 stand for 30 weight?

I did not see any obvious replacement for my top stash. Let me know which one is correct from my pictures.
A customer submitted image of their channel balance and top sash guide.
Profile picture of Tom
Tom from SWISCO responded:
Thank you for your patience in this matter. For the top sash guide, I think you will want to look at our 18-097 and see if you can use that. It is metal, so it should hold up better. As for the balance, I think it'd be best if you use a 28" balance. See our S351-28 and see what you think. I don't think that 1/4" will make that big of a deal.
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