Channel Balance Replacement

A handy person from Anegada, British Virgin Islands says:
I need to replace the channel balances and the top guides in a window down here on Anegada, in the British Virgin Islands. The balance is marked 2440 BSI. I believe that I have found the replacement (your series 351). I am attaching photos of the balance just to make sure.

I will put photos of the top guides in a separate post.
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
It's hard for me to tell whether the Series 351 is the right match for you or not. How does the bottom shoe match up? Is it closer to our 15-001 or 15-002?
Comparison of 15-001 & 15-002
Comparison of 15-001 & 15-002
A quick learner says:
The bottom is like the 15-002. It is 1 inch deep.
Profile picture of Tom
Tom from SWISCO responded:
Great. In that case I think our Series 351 is a pretty good match after all.
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