SYSTEMS AND METHODS FOR VENTING A WATER HEATER
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United States of America Patent
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N/A
Issued Date -
Sep 26, 2013
app pub date -
Mar 23, 2012
filing date -
Mar 23, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Systems and methods for venting a water heater are disclosed. The system includes a water heater, a blower, a draft hood, and a thermal switch. The blower has a blower inlet positioned to receive combustion gas from the water heater and a blower outlet positioned to exhaust combustion gas. The draft hood defines a passageway positioned to receive combustion gas from the blower outlet. The draft hood defines a relief opening to allow gas to enter into or exit from the passageway of the draft hood. The thermal switch detects a blockage in the passageway of the draft hood and deactivates the water heater when a blockage is indicated. A method for venting a water heater includes blowing exhaust gas outward through a blower outlet of the water heater, and receiving the exhaust gas blown through the outlet with a draft hood positioned on top of the blower outlet.
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