FUEL-FIRED HEATING APPLIANCE WITH COMBUSTION AIR SHUTOFF SYSTEM HAVING FRANGIBLE TEMPERATURE SENSING STRUCTURE
A gas-fired water heater has a combustion chamber with a bottom wall defined by a perforated flame arrestor plate forming a portion of a flow path through which combustion air may be supplied to a burner structure within the combustion chamber. During firing of the water heater a combustion air shut...
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