Tom from SWISCO responded:
July 6, 2017
This is a tilt window. See the video below; I'm not sure if the balances shown match what you have, but the method of removing the sash should be the same.
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Tom from SWISCO responded:
July 12, 2017
This looks like a coil balance system, specifically our S140-8. Take a look and see what you think.
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