Need a coil spring picture #3 for Morco window

A home owner from Montr says:
This window is from Morco and is about 30 years old
The coil spring
that is contained in the slider pictured in # 1
broke. It measures 5 inches long and has a 3/4
inch diameter. Do you have a replacement for this coil spring?
Please advise
Thank you.
Channel balance
Profile picture of Tom
Tom from SWISCO responded:
I'm afraid you can't replace or repair the spring. You will need an all new balance. I recommend that you look at our Channel Balance Home Page and follow the steps in order to find the Series that best matches what you have.
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