older Andersen windows balancer

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Bob from SWISCO responded:
April 19, 2019

Thanks for writing in. Based on that stamp, you should see our 24-R12-827. However, please note that this balance is only for the right-hand side of the sash. For the left-hand side of the sash, you will need the 24-L8-1227. Keep in mind also that Andersen defines the left and right by looking at the window from the outside. 
A home owner from Pennsylvania says:
April 19, 2019
I have older Andersen windows

existing balancer has the following numbers on them

11600-17
R12/827 7-88

I need a total of twelve (12) balancers
Andersen Sash Balance, L8 1227
Andersen Sash Balance, L8 1227
24-L8-1227
$54.20
Andersen Sash Balance, R12 827
Andersen Sash Balance, R12 827
24-R12-827
$54.20
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