To restrain cost; and to improve assembling performance and maintenability of a relief valve by facilitating work, and selecting a construction material of an upper surface case in a water feeding inspection of an electric water heater.
This electric water heater has a hot water storage tank having a heating heater, a water supply port for supplying water to the hot water storage tank, a hot water outlet port supplied with hot water from the hot water storage tank, an expansion water discharge port for discharging expansion water from the hot water storage tank, a water outlet port branched off from a pipe communicated with the water supply port, and connected to a faucet, a side surface case for constituting one surface of a side surface of the hot water storage tank, and a back face case for constituting two surfaces of a back face and a bottom surface, and has a fixing member for integrally fixing the water supply port, the hot water outlet port, and the expansion water discharge port. The fixing member is fixed to the side surface case or the back face case.
MIYAMOTO HIROOMI
UOZUMI MICHIHIRO
TAKACHI SHINICHI
KAWAGUCHI MITSURU
Next Patent: WATER SUPPLY DEVICE