FIELD: devices for connection of two parts of boiler, for example, furnace and smoke flue connected by means of passage located between these two parts and used for connecting the wall of first part (first wall) and wall of second part (second wall). SUBSTANCE: proposed device includes at least one rod provided with hinges at both ends; one of six hinges which is called "first hinge" is connected immovably with first wall at some first point of this wall and other hinge which is called "second end of rod" is sliceably connected with second wall in vertical direction and rod is connected immovably with first wall at some second point of this wall. EFFECT: enhanced stability of smoke flue due to strengthening connection zone between furnace and smoke flue. 7 cl, 5 dwg
