APARTMENT HEATING SYSTEM Russian patent published in 2003 - IPC

FIELD: heating engineering. SUBSTANCE: heating system includes hot-water boiler, direct and return pipe lines, heating appliances and pump. Water heating reservoir of gas stove-boiler is connected via branch pipes to direct and return pipe lines of heating system and water heating tubes (coil) located in stove-boiler are connected via branch pipes to cold and hot water supply systems; water heating reservoir of stove-boiler is provided with overheat protective sensors of two-position regulation; smoke stack is provided with draft monitoring sensor electrically connected with gas burning unit through control panel; bypass pipe line connected to return pipe line is provided with ball cocks fitted before and after pump. EFFECT: reduced usage of metal; extended functional capabilities. 1 dwg