Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Robert E. White, III0
Date of Patent
January 13, 2009
0Patent Application Number
115559640
Date Filed
November 2, 2006
0Patent Primary Examiner
Patent abstract
A tankless water heater includes a sensitive flow sensor that has a magnetic sensor and a plunger with an imbedded magnet. The plunger is configured to lift in a direction of the magnetic sensor in response to the flow of water thereby changing the state of an output of the sensitive flow sensor. There are electric water heating elements situated within water heating chambers. The sensitive flow sensor and the water heating chambers are fluidly connected in series between a supply of water and at least one hot water spigot. In response to the flow of water, a change of the output of the sensitive flow sensor energizes the electric water heating elements, thereby heating the water.
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