Apparatus and method for controlling a damper in a gas-fired appliance
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United States of America Patent
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app pub date -
Nov 12, 2008
filing date -
Jan 29, 2008
priority date (Note) -
Abandoned
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Abstract
A gas-fired appliance is provided having a burner which is configured to receive and burn pressurized gas, such as natural gas, during operation. A control comprises a pressure switch having an inlet exposed to pressure from the pressurized gas during operation of the burner, a battery, and a motor operatively connected to the battery and the pressure switch which is operated in response to the application of pressurized gas at the inlet. A damper assembly is connected to the motor. The damper assembly comprises a damper movable between an open position and a closed position in response to operation of the motor.
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