Water heating system
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United States of America Patent
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Mar 26, 2019
Grant Date -
Apr 26, 2018
app pub date -
Oct 13, 2017
filing date -
Oct 26, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A controller is configured to set total stop in which operations of all of a plurality of water heaters are stopped when an abnormal condition of a fan or an abnormal condition in communication is sensed in any of the plurality of water heaters while at least one of the plurality of water heaters is operating. The controller is further configured not to set total stop when an abnormal condition of the fan or an abnormal condition in communication is sensed in at least one of the plurality of water heaters while a sensing element for sensing a backflow of an exhaust from an exhaust path assembly is connected to the controller.
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Family
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