System and method for preventing overheating of water within...

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature

Reexamination Certificate

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Reexamination Certificate

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08061308

ABSTRACT:
A water heating system has a tank, a first heating element, a first temperature sensor, and a controller. The first heating element is mounted on the tank, and the controller is electrically coupled to the first temperature sensor. The controller is configured to detect a stacking condition based on the first temperature sensor and to disable the first heating element in response to detection of the stacking condition.

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