Searching for d387427685

A quick learner says:
need balances for andersen double hung window
on side with patent #is 11600-3
on other side #'s are D3 8 7427 685, 11600-17

Can you tell me which balance to order?
Thanks, Bill
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Tom from SWISCO responded:
Hey, Bill. I think the key stamp here is 7427. Does that "4" look a little different? If so, then we can discount it. With that in mind, I think you might want to consider our 24-737. This can replace balance boxes with the stamp 7 27.
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