Window balance option for S385-16

A quick learner from Burbank CA says:
September 16, 2015
Hello, I need to find out which option to get. I removed the lower half of the window ( 34"x 17") and it's weight is 17 lbs. Do I divide that weight by two since there are two balances or is the weight option figured for the weight of the window?
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Tom from SWISCO responded:
September 17, 2015
No, you do not divide the weight. Our channel balance options are calculated assuming both balances are supporting said weight. Our 1550 can support 13 through 17 pounds.
16" Series 385 Channel Balance
16" Series 385 Channel Balance
S385-16
$9.34
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