Fuel-fired heating appliance with temperature-based fuel shutoff system
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United States of America Patent
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Nov 15, 2005
Issued Date -
N/A
app pub date -
Sep 28, 2004
filing date -
Mar 8, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A gas-fired water heater is provided with a combustion shutoff system which precludes further combustion within the water heater's combustion chamber in response to a combustion temperature therein reaching a predetermined level correlated to and indicative of a predetermined, undesirably high concentration of carbon monoxide present in the combustion chamber. In various illustrated embodiments thereof, the combustion shutoff system is operative to terminate further combustion air inflow to the combustion chamber, or terminate further fuel flow to the burner portion of the water heater.
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Family
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