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Dave Sr. from SWISCO responded:
March 30, 2023
Hello, These springs don't require much clearance in our experience. I would say no more than 1/8" play depending on the thickness of your screen frame. Also, take a look at the 70-030 spring. It's a little wider at 3/16", whereas the 70-193 is only 1/8" wide. Take a look at both and see which would work best for your application. Thanks for posting. |