A boiler for domestic appliances and water heating systems with steam production for home and industrial use includes: a container body configured to contain a liquid to be heated and vaporized, and defining an inner containment chamber having a containment volume a heating device having a radiant heating surface, the heating device including at least one pair of radiant elements having respective radiant surfaces accommodated in the containment chamber, in parallel and spaced relationship, and designed to be immersed in the liquid to cause a convective motion of the liquid between the radiant surfaces.
