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Temperature control system for a water heater

  • US 7,798,107 B2
  • Filed: 11/14/2007
  • Issued: 09/21/2010
  • Est. Priority Date: 11/14/2007
  • Status: Active Grant
First Claim
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1. A water heater control system comprising:

  • a water temperature sensor for providing a sense signal indicative of a temperature of water proximate to the sensor;

    a heating element for heating water proximate to the element according to a control signal; and

    a controller having a water temperature set point mechanism for receiving the sense signal and for sending the control signal; and

    wherein;

    the controller determines a water temperature change rate from the sense signal;

    the controller provides the control signal according to the water temperature set point mechanism and the sense signal; and

    the controller detects stacking and compensates the set point mechanism according to the sense signal to keep temperature stacking of the water within a safe limit.

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