A device for transporting and heating a liquid may be installed between a means for circulating the liquid and a wiper brush constituting a wiping system of a vehicle window. The device may include a wall that delimits at least one liquid circulation duct and in which may be embedded a heating element. The heating element may include at least one first electrically conductive strand and one second electrically conductive strand. A spacing means that extends at least between said strands may be provided within the wall.