Channel Balance Help

A quick learner from Rancho Cucamonga says:
March 10, 2020
This is for an old Sunair window. It has a number 1520 on one side, not sure if it is a part number. 17.25 in inches in length.
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Bob from SWISCO responded:
March 11, 2020

Thanks for posting. Can you double-check the length of the metal channel? Please be sure not to include the nylon fittings in this measurement. If it's 16", see our S350-16. You'll need a stamp option of 1520.
16" Series 350 Channel Balance
16" Series 350 Channel Balance
S350-16
$9.34
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