Paul from SWISCO responded:
June 19, 2015
You have an old Certainteed window. The pivot shoe and tilt bar look okay. You just need to replace the 3/4" wide coil spring. Our Series 170 may be what you need. All you need to do is match up the number printed on your existing coil spring to the options available for the Series 170.
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Paul from SWISCO responded:
June 22, 2015
We do, as a matter of fact. Check it out below. The balance featured in this video is a little different than yours, but the principle is the same.
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Paul from SWISCO responded:
June 30, 2015
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