Replacement Balance for vinyl window slider

A home owner from Murfreesboro TN says:
The vinyl window does not have any manufacturing references. There is a sticker on one side of the sash with the date manufactured (02/02/07. Other nomenclature on the sticker says SH300; Schedule 2439; and 3050. I have attached photos of the old balance. The red tip has failed and I am attempting to glue it together. The channel of the window is 1/2 inch wide.
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Bob from SWISCO responded:

Thanks for posting. This old crossbow balance can be replaced with our Series 795 Channel Balance. See the video below and let me know what you think. 

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