Non-Tilt Window Channel Balance replacements

A handy person from Albuquerque, NM says:
Looking for replacement channel balances and take out clips for my windows. They are about 30 years old, do not tilt, and weigh about 32 lbs each. Do you recommend a lubricant for the spring and rope?
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
Thanks for posting, David. Sometimes even using a lubricant won't help the balance operate more smoothly. It may be worth a try, but at the end of the day it's probably best to simply replace them. From your photos, I would recommend our S350-37 with a 3650 option. This comes with the 19-002 and 15-004 bottom pre-attached. Let me know what you think of this recommendation.
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