05-09-2008, 04:23 AM
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Deity
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Join Date: Jul 2004
Location: Saint Regis Falls, NY, USA.
Posts: 3,343
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the vertical pipe is an air vent for your condensate drain pan. the other end goes out to atmosphere to drain the water that comes off the condenser coils. the area you circled should be fit into the drain pan with teflon tape for a thread sealant. that white plug should have teflon tape on it tot!
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