Emily, I just looked at the channel space in the window frame and it looks like your channel balance with the flanges will fit. My broken channel balance has space on either side of the part when in insert it into the channel --- make sense to you?
Rosemary
Emily. Thank you so much for all the help you have given me. Other than the channel balances the window seems to be in perfect condition since it is hardly ever used. Per your suggestion I am going to go with the 2830 since opening the window is just a little difficult for me.
Emily, again thank you for such great customer service!,,,
Rosemary