SWISCO - The Replacement Hardware Authority

Andersen balance B08 7127 336

A quick learner from Philadelphia says:
Andersen balancer number is difficult to read but seems like: B08 7127 336

Original window installed in 1985
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Tom from SWISCO responded:
Thanks for contacting us. Take a look at our 24-737. This can replace balance boxes with a stamp of 7 27. What do you think? Could the stamp of 7127 represent 7 27 instead?
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