The window channel balance is 34.2 inches long. Thank you kindly for your assistance and help and I will order the parts you deem to be the correct replacement.
Staffan :)
Emily from SWISCO responded:
May 19, 2021
Hey, Staffan!
It looks like you have a S395-34 channel balance with a spring strength option of 3350.
If you have any further questions just let us know!