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Old 06-06-2012, 10:24 AM   #5
JFP in PA
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Join Date: Feb 2005
Location: It's a kind of magic.....
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Correct. What the unit is doing is creating vacuum above the fluid level in the tank, which would force any trapped air to bubble out. This may cause the fluid level in the tank to drop somewhat, but that would happen because the fluid has now displaced the air pocket, not because it had been sucked out.
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