This looks like a 390 to me. The shoe is definitely deeper than 1 inch, however doesn't appear to be a full 1 1/8". Also, many of my windows only have one channel balance per window. Did the installer many years ago skimp on the installation?
1/2 Inch wide, 18 inch long Channel Balance
Home Owner from Norristown, Pennsylvania
May 20, 2019 6:48 pm
5 user uploaded images
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