Hi, our vinyl replacement windows no longer stay open when raised. They are double hung sash windows with top and bottom tilt. The tip beyond the rod is red and the rod measures 18 inches by 9/16 diameter. Thank you for your help!
Tom from SWISCO responded:
July 27, 2017
It definitely sounds like a problem with the balance. If the outer diameter of the balance tube measures 9/16", then I recommend our Series 600 spiral balance.
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