Anderson Window Sash Balance Replacement Parts

A handy person from 07016 says:
Anderson Window Sash Balance Replacement Needed:

Coding - (D34 7#27 3-85) and (11600-17) not sure which one is relevant for part ID.

Windows were installed in 1985

Thanks,

Mike
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Tom from SWISCO responded:

Hi, Mike. Based on your stamp of 7#27, I recommend the 24-737 Andersen sash balance. This should work for you.

A handy person from 07016 says:
Thank you so much!
How to replace an Andersen Window Balance
How to replace an Andersen Window Balance
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