Hot water service monitoring
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United States of America Patent
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Aug 15, 2017
Issued Date -
N/A
app pub date -
Feb 28, 2013
filing date -
Mar 1, 2012
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Abstract
A system includes a cold water supply, a water heater, a mixing valve, and one or more water use fixtures. The water heater includes a tank, a first temperature sensor configured to output a first temperature signal indicative of a water temperature of water in the tank, a heating device, and a water heater controller configured to control the water heater based on the first temperature signal and an operating temperature setting. The mixing valve outputs a mixed water flow, which is a combination of a hot water flow and a cold water flow, to the water use fixtures. A second temperature sensor outputs a second temperature signal indicative of a water flow temperature of the mixed water flow or the hot water flow, and a system controller selectively deactivates the water heater based on the second temperature signal.
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