This window is 25 - 30 years old. The window glass measures 24 1/4" w x 24' h. The numbers on the lower right appear to read D37 7#31 12 81.
The outside insect screen has 24x46 stamped on it although the screen actually measures 28" w x 55" h. I'll probably purchase 2 balancers, maybe 2 more (depending on cost) for an adjacent window which is working OK now but squeaks a lot.
2 Replies
Tom from SWISCO
Aug 19, 2013 3:09 pm
Check out our 24-737, which can replace Andersen balance boxes with the stamp 7#31.
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