Replacement regulator

A quick learner from southern California says:
Hello again,

we have these guys that need replacement.

it seems the sash rides these guys, and to remove, clip clip pull top forward and lift out.

what would be the recommendation for replacement of these regulators?

thanks again. your wonderful
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Bob from SWISCO responded:

Thanks for writing in, and thanks for the kind words! These are called coil balances. They are spring-mechanisms that enable the opening and closing of the window at will. I believe you need our S140-15. Take a look and let me know what you think!

How to Replace a Triple Coil Balance System
How to Replace a Triple Coil Balance System
VIDEO
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Removing a Triple Coil Window Balance
Removing a Triple Coil Window Balance
GUIDE
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