ELECTRIC WATER HEATER Russian patent published in 2009 - IPC F24H1/20 

FIELD: power engineering.

SUBSTANCE: electric water heater comprises vertically arranged internal tank, external jacket, heat insulation layer installed between internal tank and jacket, tube for cold water supply, tube for hot water drain, heating element with temperature controller. The novelty in device is making the tank as all-metal seamless with upper and lower necks, and also tight fixation of one tube end for hot water drain in upper neck of tank and installation of this tube on external side of tank wall.

EFFECT: improved reliability and increased service life of device.

6 cl, 1 dwg