Oven with an internal water tank, in particular for humidified or steam cooking

An oven comprising: a muffle defining a cooking chamber limited by a plurality of fixed walls and by a door selectively mobile between an open position and a closed position for allowing respectively the accessibility and the isolation of the cooking chamber; an internal water collection tank; a tubular loading device of water into the internal tank; wherein both with the door in the open position and with the door in the closed position the tubular loading device is selectively mobile between a static, not-working position and a loading position wherein it is at least in part orientable in the space outside the cooking chamber to reach a water source, wherein the oven comprises an outer frame covering the cooking chamber; in the not-working position the tubular loading device being substantially fully housed inside a cavity between the cooking chamber and the outer frame.