Patent ID: 6951191

Claim:
A water heater comprising: a case comprised of one front case and one back plate and fittings inside an interior thereof; a exhaust hood installed inside the case and near the coping with one vent on the top; a heat exchange module and a main heat valve installed under the exhaust hood, said heat exchange module having an inlet head and outlet head installed on two sides at an end of hot water pipes respectively; wherein holes are punched on the case and the plate correspondingly to connect intake head with water supply pipes going through the plate; wherein the outlet head goes through the case and a pin connects one water-intake hose directly said water pipes having considerable flexibility; and wherein the ignition module is installed on one side of main heat valve; a control valve installed under the main heat valve, said control valve being comprised of one gas valve, one control switch and one water plate; wherein a gas inlet of said gas valve is connected to a gas can; wherein pipes are installed on the water plate, which are pin connected with the input terminal and output terminal of the heat exchange module, said two pipes having considerable flexibility; wherein low flow capacity the temperature of hot water output adjusts for direct use by a human body without mixing cold water.