Searching for What size bal. for 30x53

A quick learner says:
August 2, 2020
I'm looking to replace balances on an Anderson wood window located at the head of the frame.
What I don't know is if it comes in different strengts which I'm sure it must.....it would only make sense. If my window is roughly 30x50 what would I order for balances
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Tom from SWISCO responded:
August 6, 2020

The rough window size won't allow me to determine the best replacement for your balance. You will need to remove one of the original balance boxes from the window and then show us a picture of each and every stamp printed on it. That will allow us to match it up to a replacement option in our catalog.

If you haven't seen it already, the video below may be of some help for this project.
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