Ceiling support box with outside air inlet
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United States of America Patent
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Apr 2, 2013
Issued Date -
N/A
app pub date -
Oct 26, 2009
filing date -
May 1, 2007
priority date (Note) -
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Abstract
A ceiling support box is an interface for coupling two sections of pipe as part of a venting apparatus for a heating appliance. Dual functionality is provided in a single integrated device by having a vent path for exhausting combustion by-products, and a separate air inlet path to draw in combustion air for use by the heating appliance.
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