A w double hung window

A handy person from Georgia says:
I need a balancer for my window #'s I can read 11600-3, 11600-17, C426#31687, can't identify what balancer to get. Thanks Dean
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Tom from SWISCO responded:

The 24-637 replaces Andersen 6#31 balances. I think this is what you're looking for.

A quick learner says:
Thanks Ben
A home owner from Rhode Island, Newport says:
I have an Anderson Window bought in the 90's.
The Anderson Swash/window Balances are 11600-17
and they indicate at the end where they are attached to the top of the window.
is;


827 1 K63 3 92
and
827 3 K60 3 92

Do I need both and is one right and the other left?

The window is a double hung window about 32 X 27 inch.
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Tom from SWISCO responded:

Hello! Both balances have the 827 stamp, which means you can use our 24-837 to replace each one. This balance can work for either left or right handed applications interchangeably, so there's no worry there.

Please feel to reach out if you had any other questions!

How to replace an Andersen Window Balance
How to replace an Andersen Window Balance
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Andersen's Narroline Sash Balances
Andersen's Narroline Sash Balances
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