Importance

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Abstract

A boiler (1) comprising: (i) a tank unit (10), which extends along a prevailing development axis (X) and which delimits a tank compartment (2) configured to store a volume of liquid up to a predefined level (L); wherein the tank unit (10) comprises a neck (4) delimiting an access opening (6) to the tank compartment (2); (ii) a heating unit (2) at least partially inserted inside the tank compartment (2) through the access opening (6); wherein said heating unit (20) comprises at least one heat exchange wall (8) made of thermally conductive material, at least one heat exchanger (12) comprising a liquid inlet (14) and a liquid outlet (16) in fluid communication with the tank compartment (2); and at least one burner (18) for heating the liquid in the heat exchanger (12); wherein the heat exchange wall (8) is arranged mainly or completely below the predefined level (L), circumscribes a heat exchange compartment separate from the tank compartment (2) and delimits a gas outlet (24). Said burner (18) and said heat exchanger (12) are housed in the heat exchange compartment (22).

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First Claim