Andersen sash balance

A quick learner from Reynoldsville, Pa says:
September 13, 2017
I can't find a number that matches what I see in your catalog. Here are the numbers that I found:

D33 7427 685
11600-17

The window is a narrowline 2446. Can you help?

Thanks,
Terry S
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Tom from SWISCO responded:
September 13, 2017
Take a look at the "7427" part of the code. Is the 4 less than normal-sized? Is it possibly a bit smaller than the other letters, or fainter? If so, you can use a 24-737 balance for "727" balances. If not, please send us a photo of the outside of the balance box, so we can take a look for ourselves.
A quick learner from Reynoldsville, Pa says:
September 13, 2017
Here are pictures of the numbers:
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
September 15, 2017
Yup, that 4 looks like a # that was worn away, actually. # is a common indicator in Andersen balances, which tells us where to look for the item number. 7#27 balances can be replaced with SWISCO's 24-737 Andersen replacement balance.
Andersen Sash Balance, 725, 727, 731, 737
Andersen Sash Balance, 725, 727, 731, 737
24-737
$54.20
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