DOMESTIC UNIVERSAL BOILER Russian patent published in 2002 - IPC

FIELD: designed for water heating, applicable in heating systems. SUBSTANCE: the domestic universal boiler has a body filled with water heat-transfer medium and accommodating a furnace, heat exchanger for hot water supply and an electric heater located above the heat exchange surface of the furnace and made in the form of an electrode group comprising a phase electrode and an aligned passive electrode having a calibrated orifice in the upper part and holes in the lower part. The point of heat-transfer medium tapping from the furnace fire surface is positioned below the level of the electric heater, and the point of heat-transfer medium tapping from the electric heater is positioned in the upper part of the boiler body. EFFECT: improved temperature condition of the heated room and enhanced reliability of the automatic control system. 2 dwg