Thread: what is this?
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Old 06-10-2021, 02:27 PM   #6
Ishler
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Join Date: Apr 2004
Location: Ontario
Posts: 722
M.O.C. #1328
Joe got it right! According to the install instructions there is a plunger that pushes against the plate when it's closed to prevent billowing. I just didn't see it!
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Mike & Donna Ishler Ontario, NY KE2LU FN13
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