Apparatus for heating water storage tank using fuel gas utensil and solar energy

The utility model relates to a device which utilizes a gas appliance and solar energy to heat a water storage tank and comprises a gas appliance, a heating water outlet pipe, a motorized 3-way valve, a radiating flange, a by-pass valve and solar energy. The main technical characteristics are that the device also comprises a solar energy water outlet pipe, a temperature probe, a solar energy water return pipe, a lower heating coil pipe of the water storage tank, an upper heating coil pipe of the water storage tank and the water storage tank, wherein the solar energy water outlet pipe and the lower heating coil pipe of the water storage tank are connected, the solar energy water return pipe and the lower heating coil pipe of the water storage tank are connected, the upper heating coil pipe of the water storage tank and the heating water outlet pipe are connected, simultaneously, the lower heating coil pipe of the water storage tank and the upper heating coil pipe of the water storage tank are fixed on the water storage tank, the temperature probe is fixed on the solar energy water outlet pipe, a central signal processor is arranged in a master control board in the gas appliance, and the central signal processor is electrically connected with the temperature probe and the motorized 3-way valve. The device is characterized in that the gas appliance and the solar energy which is a renewable resource can be effectively utilized to heat the water storage tank, gas resources can be saved, and the like.