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Tom from SWISCO responded:
September 18, 2020
Your pivot shoe looks like a match for our 15-111, which is designed to be used with the Series 160 coil spring. Look these two parts over and see what you think. If your windows are all made by the same manufacturer, then there's a good chance they're the same type, but the number and strength of the springs will definitely be different. You will need to check every window, one by one, to be sure. |
