12-29-2005, 10:29 AM
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Deity
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Join Date: Jul 2004
Location: Saint Regis Falls, NY, USA.
Posts: 4,029
Thanks: 0
Thanked 3 Times in 3 Posts
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No flapper just covers the top and allows the gases to escape. The top of the hot water tank should have a bonnet like an inverted funnel that the flue pipe goes through. This is to induce a draft into the three inch fluepipe going to the chimney.
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