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Systems & Methods For Monitoring And Controlling Water Consumption

  • US 20100133258A1
  • Filed: 11/20/2009
  • Published: 06/03/2010
  • Est. Priority Date: 09/23/2002
  • Status: Active Grant
First Claim
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1. A system that monitors a flow of water in a drain pipe that is coupled to a water heater having a relief valve, comprising:

  • a first sensor that monitors a temperature or pressure of the water heater to produce a first signal;

    a second sensor that monitors the flow of water to the drain pipe to produce a second signal; and

    a controller that restricts (a) a flow of gas or (b) an electric current to the water heater as a first function of at least one of the first and second signals.

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