Andersen window balances E192737

A quick learner from Twinsburg, Ohio says:

I need the correct part # to order 2 replacement Anderson sash balances. The window is from the 70's. The original sash balance had these #’s: "E1 9 27 37", and these dimensions: 2 7/8" wide by 6 1/4" long. I have also attached 2 pictures. Thank you for your help.

Thank you for your help

Jim N.
User submitted photos of a window balance.
Profile picture of Donna
Donna from SWISCO responded:
Hi Jim,
SWISCO product code 24-939 is an Andersen balance box that will replace old balance boxes with "9 27" stamped on them.
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