SOLAR HEATING SYSTEM WITH BACK-UP ELECTRIC HEATING
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United States of America Patent
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app pub date -
Jul 26, 2011
filing date -
Aug 12, 2008
priority date (Note) -
Abandoned
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Abstract
A system for heating water including a water heater and a solar collector is provided. The water heater includes a water storage tank, a heating element positioned within the bottom end of the water tank and a lower thermostat configured to selectively activate the heating element as a function of the water temperature sensed by the temperature sensor of the thermostat. A tank heat exchanger is also positioned within the bottom end portion of the water storage tank. The tank heat exchanger is configured to contain a fluid medium for heat exchange with water in the bottom end portion of the water storage tank. The solar collector is fluidly coupled to the tank heat exchanger of the water heater for circulating the fluid medium through the tank heat exchanger.
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