Matching an Existing Channel Balance for Replacement

A quick learner from Illinois says:
November 6, 2017
I removed a worn out Channel Balance for matching up to replace. Markings on the face are 33500 B.5.I. Not sure on the B.5.I This is stamped perpendicular to the 33500 and is not stamped equally. The channel is 1/2"W, 34"L. The ends match up to the S350. Am I on the correct path?
Also, any pointers on getting the window out? I tried like the video, but did not have enough clearence to get by the window frame. The Channel Balance I have slid out the bottom of the window and the other is at the upper take out clip.
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Paul from SWISCO responded:
November 8, 2017
I believe I can help you. Raise the sash past the take out clip to unhook the balances from the sash. Raise the sash above the bottom balance shoes. Push the sash to one side and swing the opposite side out from the track. For your S350-34 channel balance, and not 33", you would use the 3350 spring option. Hopefully this will provide some clarity to you.
33" Series 350 Channel Balance
33" Series 350 Channel Balance
S350-33
$11.52
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